JACKSONVILLE, Fla. -- A man convicted on seven drug charges could spend the rest of his life behind bars.

Gerald Lorenzo Brown was found guilty on charges ranging from trafficking in cocaine, oxycodone and hydrocodone to possession with intent to sell, manufacture or deliver a controlled substance, possession of more than 20 grams of cannabis and possession of controlled substance paraphernalia, according to a release from the State Attorney's office.

The Jacksonville Sheriff's Office and Florida Probation and Parole officers found the 59-year-old in his home in July 2010 "cooking" drugs.

Brown is an habitual felony offender with convictions since 2006 for possession of cocaine and in 2008 for sale or delivery of cannabis.

Brown faces a mandatory 25-year sentence and could receive up to life.

Brown is scheduled to be sentenced Thursday, Sept. 27.