Season 2, Episode 25 of The Eldritch Estate is about Diane Downs. A mother of three, Downs shot her own young children in the back of her car and attempted to place the blame on a "bushy-haired stranger" that she claimed had attacked them on the side of the road. It is believed that she murdered her family in an attempt to continue her long-term affair with married man Robert Knickerbocker.

References for this episode:

https://murderpedia.org/female.D/d/downs-diane.htm

"Small Sacrifices: A True Story of Passion and Murder" by Ann Rule

Killer Queens Episode 53 and 54: Diane Downs

Part 1: https://open.spotify.com/episode/4KJNvybZqNpI92tMB4mVzU?si=Rf38BtDQSruMXy5tzjqTmA

Part 2: https://open.spotify.com/episode/4XIr9F24aW17si1fA0Khuu?si=xXj6z2tQRnCl-PC8UCXexA