As part of an undercover sting, 27-year-old actress Ariel Winter dons a blond wig and transforms into a preteen decoy to catch an alleged sexual predator. Winter first gained fame at 11 when she joined the cast of Modern Family. She has spoken publicly about the online grooming she says she suffered while growing up in the spotlight. She now uses her acting skills to catch alleged predators for the YouTube show “Sosa Undercover.” They work with law enforcement and dozens of arrests have resulted