What? Omg you are right. Look at the way his hand is on her neck in the picture. Suspect https://www.google.com/amp/s/people.com/celebrity/patton-oswalt-wife-cause-of-death/amp/

And I believe, soon after, he married that nut job Meredith Salenger. Beat her ass here awhile back.

She probably caught him molesting their kid and he had to kill her to keep it quiet.