Criminology and Psychology

- Street gangs with outside muscle, targeting the Hells Angels, have sparked the outburst of violence that's left five adult businesses in flames and two people shot, London police said Wednesday. Police vowed to end the violence, even as organized-crime analysts and criminal sources disputed if the Hells had the clout in London to battle back. Late Wednesday, three of the men police arrested -- two from London, one from Brampton -- appeared in court by video to answer early charges related to the shooting. All three men are black, giving credence to the police theory biker gangs -- which don't usually allow black members -- aren't responsible for the recent violence. Whoever is responsible for the fires and shootings, they'll have to answer for it, Chief Brad Duncan vowed at a news conference. "You are priority No. 1," Duncan warned. "We will not tolerate this open display of violence. This shooting has taken place in a residential area, in close proximi...