Season 13

When police found 27-year-old Corey Lee Hughes dying on the floor, they turned to security video to find his attacker, then a neighbor's camera captured a suspicious SUV leaving the scene and investigators followed the clues to track down its driver.

In Cleveland, Texas, a man guns down Conbino Crasto during a gas station robbery; surveillance video sends police on a hunt for three masked suspects.

Detectives look for surveillance footage when a woman is discovered in a bath of her own blood.

When Laura Pietscher, a 28-year-old resident of Sebring, Florida, turns up dead in a dumpster 90 miles away in Tampa, detectives turn to CCTV footage to trace her fatal journey and identify her murderer.

When 30-year-old, mother-of-two, Mandi Gordon disappears, investigators turn to CCTV to help them find her; they uncover a complex web of lies and a betrayal that lead to a botched cover-up, and a grisly discovery on a ranch in Texas.

In Plano, Texas, CCTV footage captures the moment luxury bag designer Steven Gambles is gunned down after a night out. The gunman's reflective yellow jacket is detectives' first clue on a trail of evidence that leads to a unlikely suspect.

In Fernandina Beach, Fla., cosmetologist Joleen Cummings goes missing after her last appointment at Tangles Salon; CCTV footage shows her car in an isolated parking lot in the middle of the night; a closer look reveals an unlikely suspect.