A man who fled to Mexico after allegedly killing his girlfriend in Tracy in 2019 was extradited this month, police said.

Antonio Flores-Cuellar was suspected of killing his partner, Andrea Cervantes, after police found her dead on June 22, 2019.

At 10:52 p.m. that day, officers responded to a 911 call of a possible dead body inside an apartment at 158 W. Carlton Way.

Responding officers located the 18-year-old Cervantes, who was dead. Police said that based on evidence located at the scene, detectives determined the woman was a victim of a homicide.

US Marshal Apprehension Team located and arrested Antonio Flores-Cuellar in Mexico on Dec, 21, 2023. Cuellar was wanted in connection to the homicide of Andrea Cervantes that occurred on June 22, 2019, at 158 W. Carlton Way in Tracy, Calif. He was booked into a Mexican Jail and awaiting extradition. (Tracy Police Department via Bay City News)

The Tracy Police Department said Flores-Cuellar fled to Mexico but after an extensive investigation, a U.S. Marshals Service fugitive apprehension team arrested him on Dec. 21, 2023.

He was booked into a jail in Mexico while he waited for the extradition proceedings.

Last Friday, Flores-Cuellar was returned to the U.S. and turned over to detectives from the Tracy Police Department. He was booked into the San Joaquin County Jail