Suspect in deadly Idaho firefighters ambush identified, motive a mystery

  The man who shot dead two firefighters and wounded a third after setting a blaze near a popular mountainside trail in Idaho was described by authorities on Monday as a young transient whose motives remained a mystery a day after the attack. The man who shot dead two firefighters and wounded a third after setting a blaze near a popular mountainside trail in Idaho was described by authorities on Monday as a young transient whose motives remained a mystery a day after the attack.