Bureau of Alcohol, Tobacco, Firearms and Explosives

SAN DIEGO – Long Ngoc Tran (42) was sentenced in federal court yesterday to 72 months in prison for his role in the operation of dozens of illegal gambling dens that fostered drug trafficking, violent crime, and gang activity within a small San Diego neighborhood.

On April 9, 2021, Tran was indicted for Conspiracy to Operate an Illegal Gambling Business and Maintaining a Drug-Involved Premises; in violation of 18 U.S.C. § 371; Operating an Illegal Gambling Business; in violation of 18 U.S.C. § 1955; and Maintaining a Drug-Involved Premises; in violation of 21

U.S.C. § 856(a)(1). On April 14, 2021, Tran was arrested, made his initial appearance, and pled not guilty.

On July 28, 2022, pursuant to a plea agreement, Tran pled guilty to the first three counts of the Indictment, admitting to committing all three crimes.

During his sentencing, United States District Court Judge Marilyn Huff noted that Tran was affiliated with numerous gambling premises, and that drug trafficking was prevalent at these dens. Judge Huff also took into consideration Tran’s prior 2015 state court conviction for operating or maintaining a drug house. According to the indictment, Tran operated at least nine illegal gambling dens.

Based on publicly available filings, as far back as 2013, San Diego Police Department (SDPD) Street Gang Unit Detectives began to observe a steady increase in the prevalence of illegal gambling dens. Investigators learned that Asian gang members and associates were often involved in operating these illegal gambling dens and that methamphetamine was being used and sold at these illegal gambling dens. The illegal gambling dens were often located inside houses, apartments, and outbuildings in residential neighborhoods predominantly in City Heights, in the East San Diego area. It was common for gambling den owners to pay rent in cash to the owners of these properties and, in some cases, a percentage of the profits, as incentive to cast a blind eye to all the foot traffic.

In 2015, these locations began to draw more attention due to the frequency of violent crimes occurring in and around them, including robberies, shootings, stabbings, and assaults. Investigators learned that the patrons were often gang members, career criminals, habitual drug users, and fugitives.

In the fall of 2019, the San Diego Violent Crime Task Force - Gang Group (VCTF-GG) initiated an investigation dubbed “Marble Lion,” into the illegal gambling dens operating in the City Heights neighborhood of San Diego, often within homes and small businesses. At the time, more than 24 such dens were operating on any given day. These gambling dens attracted other criminal activity, including the use and distribution of illegal of narcotics, sales of weapons, and prostitution.

From July 2018 through July 2020, there were over four hundred crime cases and over three hundred arrests within 150 feet of the thirty-six illegal gambling locations investigated, causing this area to be the highest crime neighborhood in the East San Diego area. Law Enforcement investigated homicides, shootings, stabbings, felony assaults, robberies, arson, auto thefts, burglaries, identity theft, firearm possession, drug sales/possession, and other crimes in and around these locations.

The illegal gambling dens were equipped with electronic gambling machines which were programmed with several games of chance such as poker, blackjack, keno, jacks or better, and slot games. Most locations of these establishments were open 24 hours a day, seven days a week, with some shutting down in the early morning hours and starting up again in the afternoons. Investigators were also aware that most of these locations were outfitted with exterior and interior video surveillance cameras, which were often monitored remotely by the establishment owners and managers.

Investigators learned that these illegal gambling dens were also drug involved premises, commonly involving methamphetamine use and sales, as well as other drugs, which were sold by both employees and independent drug dealers. It was also common for employees to hand out small amounts of methamphetamine and “comp” customers who were playing. One owner described how he would give methamphetamine to patrons because it drew them to the location and kept them playing on gambling machines.

Between the fall of 2019 and the spring of 2021, VCTF-GG conducted more than 30 controlled drug and weapons purchases, performed extensive surveillance, and executed numerous search warrants. This culminated, in April 2021, with a large-scale midnight arrest and search operation involving more than 450 law enforcement officers from the FBI, HSI, BOP, DEA, ATF, IRS, San Diego Police Department, San Diego Sheriff’s Office, Chula Vista Police Department, National City Police Department, California Department of Corrections & Rehabilitation, and the San Diego District Attorney’s Office. This operation alone resulted in 37 arrests, the seizure of 287 gambling machines, pound quantities of methamphetamine, 2 firearms, and over $200,000. Subsequent operations have resulted in total arrests of more than 100 federal and local subjects, as well as total seizures of 13 pounds of methamphetamine, 47 firearms, over $590,000, over 400 gambling machines, and ounce quantities of cocaine, fentanyl, heroin, and MDMA.

On April 9, 2021, the Grand Jury returned 17 related indictments (21CR1109-H through 21CR1124-H) charging 47 defendants for offenses related to illegal gambling, firearm offenses, and drug distribution.

“This operation shows the real public safety benefits that can be achieved through strong local and federal law enforcement partnerships,” said U.S. Attorney Randy Grossman. “It is telling and rewarding that law- abiding residents noticed a positive impact on their communities and have expressed gratitude for law enforcement’s efforts.” Grossman praised the federal and county prosecutors as well as the team of FBI Special Agents, San Diego Police Department detectives/officers and other law enforcement agencies who worked so hard on this investigation.

"Today, the sentencing of Tran represents not only the end of the illegal gambling network he operated, but the termination of all violent crimes perpetrated due to the existence of these illegal gambling dens,” said Special Agent in Charge Stacey Moy of the FBI’s San Diego Field Office. “Our focus is and always will be on protecting our communities from violence. We thank our partners that make up the Violent Crime Task Force – Gang Group for their coordination in ensuring that Tran returns to where he belongs—behind bars.”

“The top priority of the San Diego Police Department is violent crime. The success of this operation means safer neighborhoods for our City Heights community and our city as a whole,” said Police Chief David Nisleit. “I want to thank our officers and partner agencies for their hard work on this investigation.”

“By working together, we were able to bring peace back to a neighborhood that was being overrun with crime because of these illegal gambling dens, which are magnets for gang violence,” said San Diego County District Attorney Summer Stephan. “The District Attorney’s Office investigated and filed criminal charges against 30 defendants on the state side for a murder, robberies, shootings, illegal possession of firearms, and drug sales. I am grateful to the U.S. Attorney, FBI, San Diego Police Department and the Violent Crimes Task Force for their commitment to shutting down these illegal operations.”

DEFENDANTS

Case Number 21CR1109-H

Name	Age	Hometown	Sentence
LONG NGOC TRAN (1),aka “Long Tu,”	42	San Diego	72 months
TUNG THANH NGUYEN (2),aka “Ang,”	52	San Diego	30 months
THANH LAN THI NGUYEN (3),aka “Lan,”	43	San Diego	Case still pending
DENNIS MICHAEL DIBLASI (4),aka “Drago,”	49	San Diego	21 months
WAYNE JONATHAN CLAYTON Jr. (5),aka “G-Wayne,”	52	San Diego	18 months
YVONNE MICHELLE AGUILAR (6),aka “Michelle,”	43	San Diego	Case still pending
ROBERT JAMES WRIGHT (7),	40	San Diego	Case still pending
TAM ONH ONG (8), aka “Fireball,”	45	San Diego	Case still pending
SAENGAMPHAY M. PHOMMASANE (9) aka “Melinda,”	40	San Diego	Case still pending
KAREN RENE ANN PRANGSAMPHAN- PORTER (10), aka “KK,”	33	Arizona	15 months home confinement

SUMMARY OF CHARGES

Conspiracy (Title 18, U.S.C., Sec. 371 – Conspiracy) Illegal Gambling Business (Title 18, U.S.C., Sec. 1955)

Maintaining a Drug-Involved Premises (Title 21, U.S.C., Sec. 856(a)(1)) Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Conspiracy Charge: Five years’ imprisonment and a $250,000 fine.

Maximum Penalties: For Illegal Gambling Business Charge: Five years’ imprisonment and a $250,000 fine. Maximum Penalties: For Maintaining Drug Involved Premises Charges: Five years’ imprisonment and a $500,000 fine.

Maximum Penalties: For Distribution of Methamphetamine Charges: Life in prison with a mandatory minimum sentence of 10 years and a $10 million fine.

Case Number 21CR1110-H

Name	Age	Hometown	Sentence
JIMMY HUI BANH (1),	45	San Diego	57 months
JOSE ANTONIO TORRESDAY (2),aka “Pepe,”	31	San Diego	Time served
TINA SENKET (3),	35	San Diego	387 days
JIMMY LU (4),aka “Nam Van Lu,” aka “Nam Thao,”	56	San Diego	Case still pending
ARCADIO MAMURI CRUZ (5),aka “Bangsta,” aka “Archie,”	38	San Diego	Case still pending
MARK ANONAS ARCELAO (6), aka “Lil Tipsy,”	30	Jacksonville, Florida	41 months

SUMMARY OF CHARGES

Conspiracy (Title 18, U.S.C., Sec. 371 – Conspiracy) Illegal Gambling Business (Title 18, U.S.C., Sec. 1955)

Maintaining a Drug-Involved Premises (Title 21, U.S.C., Sec. 856(a)(1)) Felon in Possession of a Firearm (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Maximum Penalties: For Conspiracy Charge: Five years’ imprisonment and a $250,000 fine. Maximum Penalties: For Illegal Gambling Business Charge: Five years’ imprisonment and a $250,000 fine.

Maximum Penalties: For Maintaining Drug Involved Premises Charges: Five years’ imprisonment and a $500,000 fine.

Maximum Penalties: For Felon in Possession of Firearm Charges: Ten years’ imprisonment and a $250,000 fine.

Case Number 21CR1111-H

Name	Age	Hometown	Sentence
*TRI MINH VO, (1),	39	San Diego	fugitive
TIEN HONG HONG LE (2),aka “Mr. Le,”	59	Phoenix, AZ	24 months
DONG VAN NGUYEN (3),	45	San Diego	36 months
DANG VAN NGUYEN (4),	55	San Diego	Case still pending
MICHELLE SALVADORE EDWARDS (5),	49	San Ysidro	41 months
KHANG DINH NGUYEN (6), aka “K-Y,”	47	San Diego	Time served
LEETRI DANG (7),	38	San Diego	Time served
KE VAN TRAN (8), aka “Kevin,”	59	San Diego	Case still pending
KIARA PORSHA EASLEY (9),	30	San Diego	Time served
TO VAN LAI (10), aka “Took,”	44	San Diego	60 months
CU VAN HUYN (11), aka “Cucu,”	41	San Diego	Time served
DAPHNE NICOLE RIVERA (12),	47	El Cajon	33 months
WILLIAM VANNA BOUNSAVATH (13) aka “Ray Ray,”	36	San Diego	46 months
ALMA SOCORRO SILVA (14),	50	San Diego	Case still pending
TONY NGUYEN (15) aka “Lucky,”	42	San Diego	63 months

SUMMARY OF CHARGES

Conspiracy (Title 18, U.S.C., Sec. 371 – Conspiracy) Illegal Gambling Business (Title 18, U.S.C., Sec. 1955)

Maintaining a Drug-Involved Premises (Title 21, U.S.C., Sec. 856(a)(1)) Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Possession with Intent to Distribute Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Conspiracy Charge: Five years’ imprisonment and a $250,000 fine.

Maximum Penalties: For Illegal Gambling Business Charge: Five years’ imprisonment and a $250,000 fine. Maximum Penalties: For Maintaining Drug Involved Premises

Charges: Five years imprisonment and a $500,000 fine.

Maximum Penalties: For Possession with Intent to Distribute and Distribution of Methamphetamine Charges: Life in prison with a mandatory minimum sentence of 10 years and a $10 million fine.

Case Number 21CR1112-H

Name	Age	Hometown	Sentence
*LE THI LE (1), aka “Chi Le,”	72	San Diego	10 months
PHOUNG THANH BUI (2)	47	San Diego	40 months

SUMMARY OF CHARGES

Conspiracy (Title 18, U.S.C., Sec. 371 – Conspiracy) Illegal Gambling Business (Title 18, U.S.C., Sec. 1955)

Maintaining a Drug-Involved Premises (Title 21, U.S.C., Sec. 856(a)(1)) Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Conspiracy Charge: Five years’ imprisonment and a $250,000 fine. Maximum Penalties: For Illegal Gambling Business Charge: Five years’ imprisonment and a $250,000 fine.

Maximum Penalties: For Maintaining Drug Involved Premises Charges: Five years’ imprisonment and a $500,000 fine.

Maximum Penalties: For Distribution of Methamphetamine Charges: Forty years’ imprisonment with a mandatory minimum sentence of five years and a $5 million fine.

Case Number 21CR1113-H

Name	Age	Hometown	Sentence
ARTHUR MARCELINO CASTILLO	42	San Diego	51 months

SUMMARY OF CHARGES

Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Distribution of Methamphetamine Charge: life in prison with a mandatory minimum sentence of 10 years and a $10 million fine.

Case Number 21CR1114-H

Name	Age	Hometown	Sentence
*ENRIQUE SAMUEL DUENAS, aka “Kiki,”	30	San Diego	fugitive

SUMMARY OF CHARGES
 

Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Felon in Possession of a Firearm (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Importation of Methamphetamine (Title 21, U.S.C., Secs. 952 & 960)

Maximum Penalties: For Distribution of Methamphetamine Charges: Forty years’ imprisonment with a mandatory minimum sentence of five years and a $5 million fine.

Maximum Penalties: For Felon in Possession of Firearm Charges: Ten years’ imprisonment and a $250,000 fine.

Maximum Penalties: Importation of Methamphetamine Charges: life in prison with a mandatory minimum sentence of 10 years and a $10 million fine.

Case Number 21CR1115-H

Name	Age	Hometown	Sentence
JULIUS GREENOGE	41	San Diego	15 months

SUMMARY OF CHARGES

Felon in Possession of a Firearm (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Maximum Penalties: For Felon in Possession of Firearm Charge: 10 years’ imprisonment and a $250,000 fine.

Case Number 21CR1116-H

Name	Age	Hometown	Sentence
*MARTA LIDIA GUTIERREZ	29	San Diego	fugitive

SUMMARY OF CHARGES

Importation of Methamphetamine (Title 21, U.S.C., Secs. 952 & 960)

Maximum Penalties: Importation of Methamphetamine Charges: Life in prison with a mandatory minimum sentence of 10 years and a $10 million fine.

Case Number 21CR1117-H

Name	Age	Hometown	Sentence
*KEOUDONE INTHAVONG	49	San Diego	41 months

SUMMARY OF CHARGES

Possession with Intent to Distribute/Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Possession with Intent to Distribute and Distribution of Methamphetamine Charges: Forty years’ imprisonment with a mandatory minimum sentence of five years and a $5 million fine.

Case Number 21CR1118-H

Name	Age	Hometown	Sentence
*PHONETHIP PETE INTHAVONG	52	San Diego	40 months

SUMMARY OF CHARGES

Possession with Intent to Distribute (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Possession with Intent to Distribute Charge: Forty years’ imprisonment with a mandatory minimum sentence of five years and a $5 million fine.

Case Number 21CR1119-H

Name	Age	Hometown	Sentence
PHINATH PETER KHVANN, aka “Peanut,”	46	San Diego	18 months

SUMMARY OF CHARGES

Felon in Possession of a Firearm (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Maximum Penalties: For Felon in Possession of Firearm Charge: Ten years’ imprisonment and a $250,000 fine.

Case Number 21CR1120-H

Name	Age	Hometown	Sentence
THANH NGUYEN, aka “Poway,”	46	Poway	Case still pending

SUMMARY OF CHARGES

Felon in Possession of a Firearms and Ammunition (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Maximum Penalties: For Felon in Possession of Firearm and Ammunition Charges: years’ imprisonment and a $250,000 fine.

Case Number 21CR1121-H

Name	Age	Hometown	Sentence
DAVID LIBANAN OPHEIM, aka “Casper,”	48	San Diego	48 months

SUMMARY OF CHARGES

Possession with Intent to Distribute (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Possession with Intent to Distribute Charge: 40 years’ imprisonment with a mandatory minimum sentence of 5 years and a $5 million fine.

Case Number 21CR1122-H

Name	Age	Hometown	Sentence
SEAN MICHAEL RIED (1)	36	San Diego	46 months
TUNG NGOC NGUYEN (2)	26	San Diego	60 months

SUMMARY OF CHARGES

Distribution of Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Maximum Penalties: For Distribution of Methamphetamine Charge: Forty years’ imprisonment with a mandatory minimum sentence of five years and a $5 million fine.

Case Number 21CR1123-H

Name	Age	Hometown	Sentence
*WILLIAM HENRY SCOVALL, aka “Cap,”	30	San Diego	24 months

SUMMARY OF CHARGES

Felon in Possession of a Firearm (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Maximum Penalties: For Felon in Possession of Firearm Charge: Ten years’ imprisonment and a $250,000 fine.

Case Number 21CR1124-H

Name	Age	Hometown	Sentence
CESAR ALONZO VALLADOLID, aka “Playboy,”	38	San Diego	Case still pending

SUMMARY OF CHARGES

Possession with Intent to Distribute Methamphetamine (Title 21, U.S.C., Sec. 841(a)(1))

Felon in Possession of a Firearm (18, U.S.C., Secs. 922(g)(1) and 924(a)(2))

Importation of Methamphetamine (Title 21, U.S.C., Secs. 952 & 960)

Maximum Penalties: For Possession with Intent to Distribute Methamphetamine Charges: Life in prison with a mandatory minimum sentence of 10 years and a $10 million fine.

Maximum Penalties: For Felon in Possession of Firearm Charges: Ten years’ imprisonment and a  $250,000 fine.

Maximum Penalties: Importation of Methamphetamine Charges: Forty years’ imprisonment with a mandatory minimum sentence of five years and a $5 million fine.

AGENCIES

Members on the Violent Crimes Task Force

FBI

San Diego Police Department San Diego Sheriff’s Department Internal Revenue Service Homeland Security Investigations National City Police Department Chula Vista Police Department Federal Bureau of Prisons

California Department of Corrections and Rehabilitation San Diego County Probation

San Diego County District Attorney’s Office

Additional partner agencies participating in the takedown

Drug Enforcement Administration

Bureau of Alcohol, Tobacco, Firearms and Explosives

U.S. Marshals Service

California Bureau of Gambling Control San Diego City Attorney’s Office

The charges and allegations contained in an indictment or complaint are merely accusations, and the defendants are considered innocent unless and until proven guilty.

This effort is part of an Organized Crime Drug Enforcement Task Forces (OCDETF) operation. OCDETF identifies, disrupts, and dismantles the highest-level criminal organizations that threaten the United States using a prosecutor-led, intelligence-driven, multi-agency approach. Additional information about the OCDETF Program can be found at https://www.justice.gov/OCDETF.