Pyscho Colorado ‘gunman’ planned getaway by using booby traps, SWAT gear

The “Joker” had a sick escape plan. “Dark Knight’’ madman James Holmes thought he could make a clean getaway after slaughtering 12 moviegoers at a midnight showing of the new Batman film in Aurora, Colo., but got tripped up by his faulty devices and eagle-eyed police officers. The killer, 24…