in 2013, David W. Arnebeck, an owner of 3 martial arts schools was sentenced for fondling a 15 year old. After his sentencing, Arnebeck continued instructing martial arts to minors. In 1996, Arnebeck was convicted of a prostitution-related misdemeanor in Minneapolis, according to court records. David Arnebeck, is a second degree Rickson Gracie black belt and … Continue reading Instructor Guilty of Sexual Misconduct with Minor Trains with Rickson Gracie