A surveillance camera on a Minneapolis bus captures a shooting outside a church. The footage leaves detectives wondering if the shooter acted in self-defense. Surveillance cameras at a Minneapolis convenience store capture more than just the shooting.

When a home invasion leaves a father-to-be shot dead, Detective Dianna Baumann's only hope for answers is a suspect fighting for his own life. In Atlanta, two brothers are found shot dead in their home.

Mobile homicide follows a trail of social media messages to track down the killers of a 17-year-old.

After a 69-year-old woman is found dead in her bathtub, a suspect leads Tulsa detectives on a high-speed chase that ends tragically.

When a young father from Atlanta is shot dead on a Mobile street, detectives discover that his talent for computers may have gotten him in over his head.

In Tulsa, a late-night meeting spins out of control, leaving a young father dead, his friend critically injured, and their SUV crashed through a child's bedroom.