Cheyenne Police are trying to find out who vandalized Cheyenne South High School early Wednesday morning.

A "person of interest" in the case is shown in the above photo.

Police say the vandal sprayed graffiti on the school around 1 a.m. Anyone with information on the case is being asked to call South High School Resource Officer Fardella at 771-2410. Those wanting to remain anonymous can call the Laramie County Silent Witness line at 638-TIPS.

Callers to the Silent Witness program may be eligible for a cash reward of up to $1,000.