ALAMOSA, Colorado (AP) — Officers went door to door in a rural area of southern Colorado on Sunday as aircraft searched overhead for a man suspected of shooting three people, killing one, and then fleeing on foot into farmland after a failed carjacking. Suspect Henry Corral, 44, should be considered armed and dangerous, said police in the small city of Alamosa. “It’s a huge area — probably almost 30 square miles that we’ve got to work.