So far, I don't think so. If he has, they haven't told the media.
I really doubt that his lawyer has allowed him to make a "confession" to police. If he is any lawyer at all. Most lawyers tell you to shut your mouth. One would assume that this lawyer is no different. He has already came out saying that just because Mark was inspecting his hands in the video doesn't mean he was checking for blood. His response to this video was "People smell thier hands when they pump gas all the time, this means nothing." Soooo...go figure!