In speaking about the San Diego pool shooting, Nick Cannon took to Instagram to reveal the woman who was killed was an old friend.
Peter Selis, a local mechanic, appeared "calm" as he opened fire with "a beer in one hand and gun in the other."
A 17-year-old gunman was arrested on Wednesday for the fatal shooting of a 15-year-old Brooklyn boy.
A Georgia man fatally shot a 17-year-old boy who snuck into the house in order to see his 14-year-old daughter.
According to Miami police, at least eight people were shot on Monday during celebrations for Martin Luther King Day.
At least four people have been shot during Black Friday sales across the nation, with two people injured and two more dead.
A man who is now being called a "Good Samaritan" saw a Florida deputy being brutally attacked and fatally shot the assailant to stop the assault.