In suburban Tucson, AZ, Bonnie Sanborn's kids wake up one morning to find their mom gone, blood in the bedroom and her car missing. The abandoned car soon turns up with Bonnie's body inside and a single detail that will lead to her shocking killer.

Hotshot young defense lawyer Chiquita Tate is found stabbed to death inside her secure office in downtown Baton Rouge, LA. Detectives find three hairs clutched in her dead hand, but the clue may lead them astray.

In the bucolic town of Murfreesboro, TN, the lifeless body of 18-year-old beauty Laura Salmon is found bludgeoned to death in a farmer's field. The town is shocked, and detectives forage for forensic details that they hope will lead to her killer.

When Jeff Brisebois is found shot to the head in the bedroom of his Hawaii plantation home, police uncover angry neighbors, disgruntled tenants, estranged family members and an island full of suspects.

When the body of single mother Kathryn Harms is found on an isolated Alaskan roadside, detectives embark on a murder investigation that leads them into the arms of a notorious biker gang.

In the salt-of-the-earth Californian town of Bakersfield, police dig for details in the disappearance of a 29-year-old mother with a secret life. It takes a surprising find in the Mojave Desert to unearth the truth of what happened to Azita Nikooei.