Leonardo Dicaprio's stepbrother Adam Farrar has been arrested in Texas on drugs, theft and harassment charges. Police detained Farrar, 42, shortly after he attempted to visit his girlfriend Charity Moore at the Collin County Sheriff's Office.

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Lt. John Norton of the Collin County Sheriff's Office told People magazine, "Adam Farrar came in to visit an inmate, and we arrested him at that time.

"He is still in custody at this time," Norton adds. "Our district attorney's office will work with the state of California and coordinate what happens next."

Jane Robison, a Los Angeles County District Attorney spokeswoman said: "A bench warrant was issued last December for Farrar's drug case - he had pleaded guilty to possession of heroin and is supposed to be in a drug diversion program. 

"He was charged in July 2013, he pleaded guilty in Sept. 2013, and he was due in court on Dec. 6, 2013, for a progress report, which resulted in a bench warrant."

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The couple are parents to six-year-old daughter Normandie who has been reported missing since July 2013. 

Farrar is the child of George DiCaprio - Leonardo's father. 

The 'Wolf of Wall Street' actor - who is nominated for best actor at the Oscars - is thought to have enjoyed a close relationship with Farrar growing up. Farrar also worked in entertainment - if only for a brief period - scoring roles on Battlestar Galactic, reports the Independent.