Police are investigating after a group of teens in Bay Village, Ohio, allegedly tricked an autistic 15-year-old into creating an ice bucket challenge video, then dousing him with urine, feces, spit, and cigarette butts.

The video was filmed on the boy's cell phone and posted to Instagram, according to his mother, Diane. (Local news outlet WJW withheld the family's last name to protect the boy's identity.)

The victim's brother, Jacob, told WJW:

I mean, the first thing that popped into my mind was like, why could someone – how could someone do this? How could someone really be this cruel to someone?

In the video, the boy can be seen standing in a driveway, wearing only his underwear, and the liquid that comes splashing down on him appears to come from the roof of a garage. According to WJW, the family asked that the clip be broadcast, "to make other parents aware of bullying."

Local police are reportedly working with administrators at Bay High School to bring the perpetrators to justice. "It's disturbing to watch; you can obviously tell that somebody has been taking advantage of there," Detective Kevin Krolkosky said, adding, "Obviously, if possible, we do want to hold those individuals accountable for their actions."

[h/t New York Daily News]