A 19-year-old out on bond is accused of helping take a $210,000 Porsche from a Miami-Dade mansion, and detectives say his own ankle monitor gave him away.
Investigators told WPLG Local 10 that Joseph Dexter Watson IV, of Margate, joined at least three others in a Mercedes-Benz on Oct. 24. They pulled up to a multimillion-dollar home in the Horse Country area just before 6:30 p.m…