 I really mean it. I'm Jackie Quinn. Millions of Americans celebrating the Fourth of July holiday will be heading back to work today, but for some, those celebrations turned violent across the nation with a number of deadly shootings. Bob Brown has that story. Police continue to investigate a series of deadly shootings coming off the holiday weekend. A 911 call coming in of a shooting in Temple Hills, Maryland, near Washington, D.C. Shooting with multiple shots on half-arm screen.