Madonna Stalker Escapes From Mental Institution

Ruh roh! Cops are on the lookout this morning for Robert Dewey Hoskins, a man convicted for threatening to kill Madonna. Apparently he walked away from an L.A.-based mental hospital last week.

 OK! NEWS: MADONNA ANNOUNCES DATES FOR 2012 WORLD TOUR! KICKS OFF MAY 29! According to CBS News, the L.A. police indicated he was committed to a state hospital last year. He sounds pretty deranged because they have called the 54-year-old "highly psychotic." Not only that, they also indicated he has potential to become extremely violent and should not be approached by anyone. OK! NEWS: CELEBS TWEET DURING SUPER BOWL — "MADONNA IS CRUSHING IT" Robert actually served a 10-year prison sentence for stalking and threatening Madonna. She even testified against him in a trial back in 1996. Cops have searched areas to find out where Robert may go such as Long Beach, Calif.