In Pursuit with John Walsh - Season 1 - Eps 7: When Good Meets Evil
John Walsh profiles Juan Lazaro Abrego who is believed to have murdered his ex-girlfriend, a beloved teacher. Callahan Walsh investigates Derek Dean, a St. Louis man accused of shooting a pair of twins, killing one and wounding the other.
About In Pursuit with John Walsh

Title: In Pursuit with John Walsh
First Air Date: 2019-01-16
Last Air Date: 2024-06-19
Status: Returning Series
Rating: 7.5/10 (from 8 votes)
Language: EN
Seasons: 5
Total Episodes: 54
Network: Investigation Discovery
Genres: Crime, Mystery, Documentary, Drama, Reality
Production Companies: OverUnder Content, Jupiter Entertainment
Synopsis
Victims' rights activist John Walsh and his son, Callahan, showcase time-sensitive, unsolved cases in desperate need of attention, mobilizing the public to engage in the pursuit of justice.
Cast

John Walsh
Host

Callahan Walsh
Host