The documents allege that Lopez-Abrego helped dig the grave where the victim was found, and also used a walkie-talkie to alert the other gang members to the victim’s arrival. The informant also claimed Lopez-Abrego was the first to attack the victim, stabbing him with a 15-inch knife.

The informant led police to the grave on Sept. 5 and “detailed the choking, stabbing, decapitating and dismembering [of] the Victim’s body,” according to a police affidavit.