Someone You Thought You Knew - Episode Guide

When Gary and Jan Tyrrell, are murdered in their museum-type Missouri home, the tight-knit community look at those closest to the pair as their potential killer.

Chris Northam is an entrepreneur building his sports business in California. When he is shot in his warehouse, suspicion falls on his employees and his mistress.

Kevin & Tabatha Bryant are a picture-perfect couple, living with their two young sons in Penfield, New York. But when Tabatha is found stabbed to death at home, a steamy affair and many double lives are revealed to the town's unsuspecting residents.

Rob and Brenda Andrew are a devout couple, living in the Bible Belt of Oklahoma City. But their world is shattered when both of them are shot during a violent home invasion. The mastermind will prove to be closer than anyone ever imagined.

William Walker is a prominent firefighter, living in a tight-knit Cleveland neighborhood with his new wife, Uloma. But the couple's world is shattered when William is gunned down in their driveway, causing everyone in his life to be a prime suspect.

Bill and Mary Yoder are a happy couple, running a medical practice outside of Utica, New York. But their world collapses when Mary becomes mysteriously sick, and detectives prove that her illness was no accident.

When Stephanie Shea Graham is found murdered on a desolate road, detectives gather clues and question all those closest to her. When the truth is finally revealed, the identity of her killer will prove to be more shocking than ever imagined.

Brittney Cosby and Crystal Jackson are an ambitious couple living in Houston, then their lifeless bodies are found near a dumpster; authorities comb through the evidence until the identity of their killer is revealed.

In Webster Plantation, Maine, Mike and Valerie Miller are found shot dead in their own home, and authorities must consider a list of suspects that includes their own family members.

No one hears from Lisa Stukey for weeks, and her decomposing body is found inside her Idaho Falls, Idaho, home; police realize Stukey has been beaten to death and set out to catch the culprit who has ties to the victim.

In Phenix City, Ala., residents are shaken after a 20-year-old woman is found shot to death on the edge of town.

After bubbly high school senior Kathy Chou goes missing, detectives delve into her past relationships and even her own family history.

Etta Jean Westbrook is a longtime resident of a quiet suburb in Bryan, Texas; when she is found murdered inside her home, detectives question her loved ones and canvass the neighborhood in order to catch the killer.