AUBURNDALE, Fla. (AP) - A police officer's son stole his dad's cruiser in the middle of the night and used it to pull over his ex-girlfriend, authorities said. Richard Melius, 20, first made more than a dozen harassing phone calls to the former girlfriend, then stole the cruiser's keys while his father, Lakeland Sgt. Mark Melius, was sleeping early Tuesday, officials said. He later spotted the woman, Tabitha McKenzie, driving in Auburndale, turned on the cruiser's emergency lights and pulled her over, the Polk County sheriff's office said. McKenzie, who is pregnant with Melius' child, called her family for help....