Family of murdered D.C. photographer wonders if his convicted killer acted alone

The investigation of Joe Shymanski's murder began as a missing persons case. It was Sept. 4, 2023, at 7:47 p.m. when sheriff's deputies in Calvert County, Maryland, were called to the home of the well-known photographer. His ex-wife, Heather Snyder, met them in the driveway. She would tell authorities she had arrived by car at about 7 p.m. from her home in Pennsylvania to hand off custody of their then-8-year-old daughter and 7-year-old son. HEATHER SNYDER (bodycam video): Um, I was supposed to return the kids to him. DEPUTY: OK. HEATHER SNYDER: At 7 o'clock tonight ... HEATHER SNYDER (bodycam...