WICHITA, Kan. (AP) — A man suspected in the death of a Wichita State University student is back in prison on a parole violation.

Two suspects have been held since Aug. 10 in the fatal shooting of 23-year-old Rayan Ibrahim Baba in Wichita State parking lot. Neither suspect has been formally charged in the homicide.

Kansas Department of Corrections spokesman Adam Pfannenstiel says one of the suspects will spend at least 90 days at the Hutchinson Correctional Facility after admitting to using marijuana on Aug. 7 when he was on parole for a 2010 child abuse conviction.

The other suspect is being held in the Sedgwick County Jail on probation violations and municipal court cases.

Baba, a Saudi undergraduate student majoring in electrical engineering at Wichita State, was found with gunshot wounds Aug. 9.