FRIENDSWOOD, Texas -

Someone's disgusting version of a prank could land them behind bars.

Friendswood police are investigating after graffiti and feces were found at Friendswood High School.

The vandalism was found on the field house on campus June 11.

The day before someone defecated in a cooler on campus.

One of the coaches believes a student who was cut from the football team is behind the vandalism, police said.

Police are reviewing surveillance video and questioning suspects.