Update, Januar 2012:
The man has been found not guilty by a jury, according to brownsvilleherald.
Texas -- A 39-year-old karate instructor recently turned himself in to face charges that he sexually assaulted three teenagers, according to themonitor.com.
The man allegedly have a long history of working with teenagers before his indictment from June this year amid allegations of child molestation.
The allegations follow two stints the man did as a correctional officer at a juvenile center in Edinburg. The center ultimately fired him over allegations that he tried to attack one of his detainees.