[There was a video here]

Twenty-two-year-old Hayley King, a University of South Carolina student, was arrested by police last week after confessing to having spit in and dousing her roommates’ food with Windex. She was charged with unlawful and malicious tampering with human drug product or food, and could face 20 years in prison if convicted.

Following “multiple altercations,” WISTV reports, King’s two roommates felt it necessary to set up a hidden camera system in their home. Their instincts proved right: on February 4, the cameras filmed King milling about their shared kitchen, pacing back and forth from the cabinets to the fridge, where she appears to spit in food containers. At one point, she pours what looks like window cleaner in some food. One roommate claims to have eaten some of the contaminated food before seeing the video, the Associated Press reports.

The roommates, who have not been identified, turned the video over to Columbia, SC police, who called King into a station for questioning, where she apparently confessed. According to court records obtained by NBC News, King posted a $5,000 bond the next day.

The video and subsequent arrest is apparently the concluding act in a long-running roommate drama: the two roommates had been trying to get King to move out for weeks, but she “refused to leave.”

Video via WISTV. Contact the author at aleksander@gawker.com .