The First 48: Killer on the Run

In Cleveland, a man is found in a dim alley, shot multiple times and left for dead; Ray Diaz and Kathy Cruz risk their lives to untangle a web of lies and bring the killer to justice.

In Tucson, Detectives Jennifer Whitfield and Mike Carroll are called to investigate the robbery and homicide of 27-year-old cab driver Timothy Royce; the case takes a turn when detectives get a surprise tip to the whereabouts of their suspects.

Local residents remain quiet over a crime at a housing complex; the investigation into the fatal shooting of an 18-year-old man takes a turn when it is learned that the killer's intended target was actually the victim's friend.

Dallas police investigate the case of a 22-year-old robbery victim who was tied up and shot along with two of his friends, leading to a manhunt across the country.