By Sean Smith
Updated March 26, 2009 at 06:44 AM EDT

The Los Angeles Police Department arrested Robert Michael O’Ryan, 34, of Yullee, Fla. on Tuesday after he allegedly tried to break onto the set of ABC’s Dancing With The Stars to meet contestant Shawn Johnson, EW has confirmed. Police say security personnel found and detained O’Ryan after he had entered the show’s production lot. Authorities later found illegally possessed firearms in his parked car. O’Ryan was arrested and booked for possession of a firearm and is being held in lieu of $35,000 bail.

Johnson, 17, is considered a favorite to win DWTS this season. She won an Olympic gold medal in gymnastics last summer in Bejing. Johnson’s mother, Teri, had a temporary restraining order issued against O’Ryan on Wednesday

UPDATE: O’Ryan has pleaded not guilty to charges of stalking and carrying loaded firearms. Prosecutors plan to ask that bail be set at $220,000. He faces up to four years in prison if convicted. A trial date of April 27 has been set.