A former Taycheedah Correctional Institution staff member accused of sexually assaulting an inmate has posted $5000 cash bond. Forty two year old Joseph Kelm is charged with four counts of second degree sexual assault by correctional staff. The charges carry a maximum sentence 40 years in prison on each count and a total of $400,000 in fines. Kelm is accused of having sexual contact with the inmate in a janitor’s closet at the prison. A preliminary hearing is scheduled for September 15th.