Motorist with long criminal history allegedly tries to run over a father and son. But Dad has a gun.

Motorist with long criminal history allegedly tries to run over a father and son. But Dad has a gun.

A motorist with a long criminal history allegedly tried to run over a father and son Saturday in Florida — but authorities said the father fatally shot the motorist.Marcus Blicker, 47, followed two vehicles driven by a neighbor’s son and his friend and aggressively swerved toward them in traffic, deputies from the Volusia County Sheriff's Office told the Daytona Beach News-Journal.Blicker was found dead in the driver’s seat of his pickup.The nei…