On April 15th, 2013, two bombs explode during the iconic Boston Marathon, killing three spectators and injuring hundreds of others. In a race against time, investigators, using state of the art technology, circulate images to the public of the two suspects dubbed "black hat" and "white hat."

News of the sudden passing of celebrated rock musician Tom Petty shocked fans worldwide, but a deeper look into the music legend's life reveals physical and emotional afflictions that may have led to his death at age 66.