S13E1 - Deep Wounds
After Navy electrician Michael Jacobs comes home to find his wife, Suzanne, and his 3-year-old son, Colin, murdered, San Diego police race to catch a serial killer who leaves behind an unimaginable calling card.
March 6, 2016, midnight
S13E2 - Gone in an Instant
In Lenexa, Kansas, young women disappear from their apartments as police piece together evidence showing the terrifying crimes are connected.
March 13, 2016, midnight
S13E3 - Betrayal in Big Cottonwood Canyon
A young woman is ambushed and murdered in Utah's remote Big Cottonwood Canyon. A cryptic note leaves investigators wondering if her death was just a tragic coincidence or a brutal betrayal.
March 20, 2016, midnight
S13E4 - Tracks of a Killer
When the body of a young woman if discovered on a cold winter afternoon in South Carolina, police retrace her final movements to find the killer.
March 27, 2016, midnight
S13E5 - Racing to Justice
Police race to find a killer after the decapitated body of a talented chef is found near Speedway, Indiana.
April 10, 2016, midnight
S13E6 - Last Dance
A woman's walk home from a Friday night out at a dance club in Lubbock, TX, ends in murder. Her naked body is discovered under a bush right next to a church on Sunday morning. As the investigation unfolds, detectives realize the path to justice relies on following the evidence to an unlikely suspect.
April 17, 2016, midnight
S13E7 - A Promise Kept
A cold case detective re-opens a decades old murder and promises the young woman's family their long awaited justice.
April 24, 2016, midnight
S13E8 - Deadly Offer
An offer of help turns deadly when a young woman and her boyfriend find themselves stranded. Investigators are soon on the trail of a ruthless serial killer.
May 8, 2016, midnight
S13E9 - Mixed Signals
After the lifeless body of a popular teen girl is found lying on the side of the road, police look to her cell phone records to catch her killer.
May 15, 2016, midnight
S13E10 - Courage and Conviction
A college student's courageous battle for survival may be the key to solving a vicious double homicide.
May 22, 2016, midnight
S13E11 - Half Way Home
The discovery of a woman's brutally beaten body inside an abandoned trailer is the start of a 28-year search for her killer.
May 29, 2016, midnight
S13E12 - The Doorbell Rang
On January 11, 1988, 16-year-old Theresa Burns' brutally murdered body was found by her brother, Stephen, in their home in Mishawaka, IN. The ring of a doorbell overheard during Theresa's final phone call may be the key to solving her murder.
June 5, 2016, midnight