other means, we don t know. it was matching dna that allowed police to say they captured the golden state killer. this is somebody who terrorized much of the state beginning in 1976 and lasted for a decade. he is accused of committing 12 murders and 45 rapes and more than 100 robberies. for the 51 ladies who were brutally raped in the crime scenes, sleep better tonight. he is not coming through the window. he is now in jail and he s history. reporter: police are not saying what led them to collect his dna. they say the case developed against him over the last six days. once they were ready to make an arrest, police staked out his home and got him as he left the house. he seemed very surprised by the apprehension. de deangelo was a police officer for two departments and he was