Twenty-three indicted in large-scale heroin ring


Date: October 7, 2020


Denver – 23 individuals have been indicted with 37 counts for their role in running a large-scale, Denver-based heroin trafficking organization.

According to allegations contained in the indictment as well as information from detention hearings, defendants Azusena Maribel Sierra and her husband Juan Antonio Amaya-Nunez were at the center of the organization. Sierra was the heroin dispatcher and money collector who, on a daily basis, received calls and texts from dozens of street-level customers. Sierra took heroin orders, dispatched multiple runners to meet with, make deliveries to, and collect money from customers, and collected money at the end of the day. The organization distributed approximately 1 kilogram of heroin every week.

Following an investigation that was initiated in September 2019, agents and officers seized approximately 33 kilograms of heroin, approximately $100,000 in cash, and two firearms.

The defendants face charges including conspiracy to distribute heroin, money laundering, transporting heroin in aid of racketeering, and using telephones in connection with drug trafficking.

Of those indicted, 14 defendants have been arrested and have made their initial appearances in U.S. District Court where they were advised of their rights and the charges pending against them. Nine other defendants are pending arrest and are considered fugitives.

Those charged include:

Benjamin Lopes-Alvarado, a Mexican National
Azusena Maribel Sierra, a U.S. Citizen
Hector Nunez-Sandoval, a U.S. Citizen
Jorge Reyes Cruz-Garcia, a Mexican National
Bradley Michael White, a U.S. Citizen
Michael Ian Mills, a U.S. Citizen
Anna Marie Rebekah Davis, a U.S. Citizen
Keven Alexander Perez, a U.S. Citizen
Victoriano Hinojosa, a Mexican National
Oscar Manuel Oliveros, a Mexican National
Diego Romero-Cruz, a Mexican National
Christian Anthony Carver, a U.S. Citizen
Abisai Escobar Flores, a Mexican National
Nicho Garcia, a U.S. Citizen
Jesse Cervantes, a U.S. Citizen
Victor Alonso Carreon, a Mexican National
Adrianna Rafaela Holguin, a U.S. Citizen

In addition to the named defendants, six indicted individuals have not been identified.

These defendants are being prosecuted by Assistant U.S. Attorney Stephanie Podolak.

Law enforcement agencies involved in investigation and/or takedown include – Denver OCDETF Strike Force Group-1, to include the IRS Criminal Investigation, Denver Police Department, Aurora Police Department, Northern Colorado Drug Task Force, Arvada Police Department, Colorado Attorney General's Office, Colorado State Patrol, Boulder County Sheriff's Office, U.S. Marshal Service, Parker Police Department, and North Las Vegas Police Department; and the Denver Field Division of the DEA.

The charges contained in the indictment are allegations, and the defendants are presumed innocent unless and until proven guilty.

This prosecution is part of the Organized Crime Drug Enforcement Task Force (OCDETF) program. The OCDETF program is a federal multi-agency, multi-jurisdictional task force that supplies supplemental federal funding to federal and state agencies involved in the identification, investigation, and prosecution of major drug trafficking organizations. The principal mission of the OCDETF program is to identify, disrupt, and dismantle the most serious drug trafficking, weapons trafficking, and money laundering organizations, and those primarily responsible for the nation’s illegal drug supply.