World's Most Evil Killers

Season 10 Episode 1: Gregory Green

Gregory Green hid his past murder of his first wife and unborn baby, then in 2016 killed his second wife's four children, two by gas and two by gun, repeating his deadly violence.

Genre:

Documentary

Seasons:

10

Episodes:

98

Actor:

Fred Dinenage

Quality:

HD

Status:

Returning Series

First Air:

2018

IMDb:

7.8