T. J. Hooker - Season 3 Episode 21 : Gang War 1986

Hooker and Romano are involved in a new neighborhood peace programme designed to reduce tension in an area where two Hispanic gangs are close to declaring all out-war on each other. But the whole programme and peace on the streets is jeopardised when the president of one of the gangs is gunned down in a drive-by shooting. Although the assailants are identified to be wearing the dress code of the victim's rival gang, Hooker suspects that someone else is fuelling the feud to benefit from the sale of fire-arms sold to both sides of the conflict, and must work fast to find the culprits before all-out war erupts between the two gangs...