A Philadelphia man has pleaded guilty to strangling his wife in a park as they fought over his texts to another woman.

Christopher Murray admitted Tuesday that he followed his 46-year-old wife, Connie, after she left for a walk and then strangled her as they argued.

Prosecutors say the 49-year-old machinist reported her missing in August and even took their daughter with him to search for her at hospitals. In the days after her killing, police warned female runners in the city to take extra precautions until the killer was caught.

Murray pleaded guilty to third-degree murder and will serve 20 to 40 years in prison.

Christopher Murray says he loved his wife and wishes he could turn back time.