A South Carolina teacher assistant has been arrested after authorities say he repeatedly used a foul-smelling “poop spray” inside a high school, causing tens of thousands of dollars in damages and sparking health concerns among students.

According to NBC News, 32-year-old Alexander Paul Robertson Lewis was taken into custody on Friday and charged with disturbing schools and malicious injury to property. The Florence County Sheriff’s Office said the incidents occurred at West Florence High School between August 25 and September 15.

The spray, marketed as a prank item, releases a stench similar to human feces. Investigators allege that Lewis used it on multiple occasions, leading to significant consequences. Several students reportedly sought medical treatment for respiratory issues linked to exposure, and the school’s air conditioning system sustained damage that required extensive repairs.

Officials estimate damages at $55,000.

“The investigation into this matter is ongoing, and additional charges are possible,” the sheriff’s office said in a Facebook post.