A Gresham man shot and killed one of four intruders who had entered his mobile home Saturday and began stabbing him with a knife. The 34-year-old resident fought back by grabbing a pistol and shooting two of his attackers, Gresham police say. Police arrived to find one of the suspected intruders, a 25-year-old man, dead at the scene from a gun injury. The resident also shot a 16-year-old suspect, who was brought to a local hospital and Sunday morning was still being treated there.