FILE - In this police booking photo released Aug. 3,2011 by the Santa Monica Police Dept. showing Redmond O'Neal, who was pulled over Aug. 2,2011 after an officer saw him fail to stop for a red light. The son of actor Ryan O'Neal and the late Farrah Fawcett pleaded no contest to heroin possession and being a felon in possession of a firearm and was ordered to spend one-year in a lockdown rehab facility. He faces up to three years in state prison if he violates probation again. (AP Photo/Santa Monica Police Dept.) The Associated PressLOS ANGELES (AP) — The son of actor Ryan O'Neal and the late Farrah Fawcett has been ordered to spend a year in intense rehab after pleading no contest Wednesday to heroin possession.Los Angeles Superior Court Judge Keith Schwartz also sentenced 26-year-old Redmond O'Neal to serve five years on probation.District Attorney's spokeswoman Jane Robison says O'Neal could be sent to prison for up to three years if he violates probation.Redmond O'Neal also pleaded no contest to being a felon in possession of a firearm when he was arrested Aug. 2 after a traffic stop. Ryan O'Neal attended his son's sentencing Wednesday.Attorney Richard Pintal, who represented the younger O'Neal, says the sentence recognizes that his client is facing serious addiction and medical issues and that treatment was more appropriate.