Cox will be sentenced Oct. 29.
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A jury unanimously reached a guilty verdict Thursday on 10 of 12 child sex abuse charges against a Belle Chasse man.
Williams Cox, 51, was convicted on two counts of oral sexual battery, one count of sexual battery, one count of aggravated incest two counts of indecent behavior with a juvenile and four counts of molestation of a juvenile.
The abuse of four young girls, which took place from 1986 to 2005, was uncovered after one of the girl reported it to the Plaquemines Parish Sheriff's Office in July 2013.