ARIZONA—On Tuesday, May 18, 2021, the FBI and members of the Southern Arizona Violent Crime and Gang Task Force executed three federal arrest warrants, two in Tucson and one in Phoenix, in connection with drug charges.

The three subjects were arrested and charged with the following violations:

• Ivan Aljandro Gastelum, 29 – Conspiracy and Possession with intent to distribute Methamphetamine (21 U.S.C. 841 & 846)
• Serafin Jimenez, 28 – Conspiracy and Possession with intent to distribute Methamphetamine (21 U.S.C. 841 & 846)
• Roy Guadalupe Marquez Quezada, 30 – Conspiracy and Possession with intent to distribute Methamphetamine (21 U.S.C. 841 & 846)

This case was investigated by the FBI Phoenix Field Office, Tucson Resident Agency and the FBI San Antonio Field Office, Laredo Resident Agency. The FBI would like to thank the Pima County Sheriff’s Department, Tucson Police Department, Glendale Police Department, Pascua Yaqui Police Department, and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), for their work on this case.

The Southern Arizona Violent Crime and Gang Task Force is comprised of the Drug Enforcement Administration (DEA), Homeland Security Investigations (HSI), ATF, Pima County Sheriff’s Department, Tucson Police Department, and the Arizona Attorney General’s Office.

Criminal Complaints are only accusations, and a defendant is presumed innocent unless and until proven guilty.

Related court documents and information may be found on the website of the District Court for Arizona at http://www.azd.uscourts.gov/ or on PACER https://www.pacer.gov/ , magistrate number: 4:21-mj-00269