? A jury has found a former Nassau County corrections officer guilty of sexually abusing female inmates.

Mark Barber traded cigarettes and phone privileges for sex with inmates at the Nassau Jail.

Barber was found guilty of 30 of the 43 counts against him. He has denied the accusations. Barber?s attorney argued the women had no credibility and pointed to their criminal records. Barber will be sentenced on Sept. 28 and faces up to 20 years in prison.

Jury to decide fate of ex-Nassau jail guard in rape trialClosing arguments heard in rape trial for ex-Nassau jail guardTrial begins for jail guard accused of raping female inmates