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.

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

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.

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.