Patton Oswalt credits late wife Michelle McNamara in Golden State Killer case

Comedian Patton Oswalt is praising his late wife for her work in investigating the Golden State Killer Police finally made an arrest in the case involving 12 murders and dozens of rapes in California in the '70s and '80s Writer Michelle McNamara came up with the killer's name on her personal mission to catch him She died in her sleep at age 46 and Oswalt helped finish her best-selling book on the case Police say DNA led them to arrest Joseph James DeAngelo, a former cop.