Sheriff: Suspect was angry with doctor over mother's care

Flowers outside Orono home
Flowers are left at the home of 74-year-old Dr. Stephen Larson, Monday, Nov. 18, 2013 in Orono, Minn. Larson, a gynecological surgeon, died of gunshot wounds Friday night, Nov. 15, 2013 at his home. A 30-year-old man was killed by police outside the home.