Danielle Imbo and Richard Petrone

On February 19th, 2005, 35-year-old Richard Petrone and 34-year-old Danielle Imbo went out on a casual night out on South Street in Philadelphia PA, and on the way back to Danielle's home in Mt Laurel, NJ they vanished, and have never been seen since. There have been many theories and a lot of…