The extradition procedure was part of a joint effort between Mexico's Attorney General's Office, and U.S. Marshals and FBI agents.
Police say Cortes-Serrillo was wanted in connection with the April 2014 shooting death of 43-year-old Santiago Olivo-Diaz.
Robert is accused of strangling a 22-year-old Laurie Stout to death at the University of Texas at Austin when he was only 19 years old.
José Martín is accused of murdering a 25-year-old male at a party in Los Angeles in 2002.
English08/11/2016
“El Chapo” Guzmán's defense attorney fears death penalty for cartel leader if extradited
El Chapo faces several criminal charges in Texas, the state in the U.S. with the highest number of executions.
The couple is accused of trafficking cocaine from Colombia through Central America and Mexico
English28/10/2016
Diego Cruz, accused of raping a minor, fears being mistreated in Mexico if extradited
According to Spanish experts, they don't believe there is much Cruz's defense attorney can do to stop his extradition to Mexico
Spanish Court accepted Mexico's extradition request for Diego Cruz to be tried for "crimes of pedophilia"
The UNAM professor says that El Chapo could seek damages against prison officials, but that wouldn't do anything to stop his extradition to the U.S.
The former leader of the Sinaloa cartel says he's not sure he will make it by the end of the year out of fear of losing his mind