1. Wrong End of the Gun

A North Charleston man asking for help at a stranger's doorstep dies from a gunshot wound to the leg and the search for the shooter leads in an unexpected direction.

2. Shared Blood

In Gwinnett County, two best friends are murdered in a public park after setting up a meeting through Instagram.

3. Rumors Kill

After a mysterious motorcycle rider stalks and shoots down a Tulsa man, detectives must piece together the events leading up to his death to find out who wanted him dead and why.

4. No Exit

A gunfight in a Tulsa apartment ends in a man's death, leaving Detective Mark Kennedy to sort through the truths and lies of the survivors.

5. Episode 5

A man is found lying outside his family home with a bullet in his head and Tulsa homicide must find a way to make the killer reveal himself. A man on a bicycle terrorizing a Mobile neighborhood senselessly murders a 51- year-old grandfather. A gunfight in the middle of a quiet Mobile neighborhood leads to a standoff between the SWAT team and a suspect inside a home with an 8-month-old baby. In Gwinnett County, a fight breaks out at a baby shower leaving a 39-year-old husband and father shot.

6. Episode 6

Detectives in major cities around the country race against the clock to solve homicides and use forensic evidence and witness interviews to help identify suspects.