Leo Mattei - Special Unit
When a young teenager is violently beaten in a park by a gang of young people, the team wonders if the attack is linked to Happy Slapping, a new trend that encourages hitting random passers-by in the street for the internet.
A father is found over his son's body holding a knife.
A teenager with a troubled past gets in trouble for buying a knife. But who is it for?
A failed child abduction attempt yields surprising results. Who are Iris's real parents?
