How to Catch a Cop Killer At around 2:45 p.m. on Sunday, December 21, 1975, Atascosa County Deputy Sheriff Aerl Jernigan received a call regarding two drunks harassing patrons at a convenience store located on State Highway 16 about seven miles north of Poteet, Texas.

The drunks had left before Deputy Jernigan arrived, but they didn't make it far.

Jernigan found them parked on the side of an adjoining road about a quarter of a mile away.