Every episode usually features shootouts and fistfights. Bloody bullet wounds are showed although martial arts, strangulation, asphyxiation are regularly seen. Many episodes feature car chases and foot chases.
One episode opens with a police officer being shot in the face at point blank range with a shotgun.
A couple of episodes feature characters being murdered by being thrown out of a high window.
In one episode (Klansmen), a main character is stabbed in the back, although he recovers. In another episode (Discovered in a Graveyard), a main character is shot twice at point blank range and his recovery is a major part of the episode.
The violence is quite strong for a 1970s/80s series. As a comparison, its generally more violent than 'The Sweeney' (1975-78).