Gunman William Spengler Used Bushmaster, Left Chilling Note

A convicted killer, who shot dead two firefighters with a Bushmaster assault rifle after leading them into an ambush when they responded to a house fire he set in Western New York, left behind a typewritten note saying he wanted to "do what I like doing best, killing people," police said. William Spengler, 62, set his home and a car on fire early Monday morning with the intention of setting a trap to kill firefighters and to see "how much of the neighborhood I can burn down," according to the...Full Story