the oil painting was taken from the blue room on the first floor. >> it hung right below manet's portrait of his mother. it was about 8 by 10 and it was in a gold gilded frame and it was here. >> even though motion detectors picked up the thieves' trail by the entrance on the first floor and all throughout the second floor, there are no records of anyone entering the blue room. rick abbot says in the time he worked at the museum, the motion detectors never failed. but he also says it wasn't impossible to avoid the detectors. in fact, he knew exactly how to do that. it was a game he used to play at night to help pass the time on his rounds. >> you would walk all kinds of crazy ways. some places, you'd have to go around the perimeter of the room or you'd have to go right through the center, you'd have to duck down or you'd have to kind of squat and waddle and do all of these different stuff.