Sheriff: Fired worker had plan to kill former co-workers

A sheriff's vehicle blocks the entrance to a mobile home park in Florida.
A Seminole County Sheriff vehicle blocks the entrance to a mobile home park in Maitland, Fla., Monday, where John Robert Neumann Jr. lived. Neumann shot several coworkers at an industrial area near Orlando, Fla., before taking his own life.
John Raoux | AP