Movie posters for the documentary film "Bully." (Reuters photo)

A Brunswick High School student about to be interviewed on TV about being a victim of bullying was bullied on camera.

“As Preston Deener got ready for his interview, three boys approached and one began hitting him in the head,” according to WHAG-TV.

Preston ran to get help, which you can see in the video report. Warning: The video will make you very angry.

Just last week, Preston was suspended from the Frederick County school for three days after fighting back against another bully.

His mom is obviously unhappy. The school system is investigating.

“I’m hoping now that they take this more seriously than what they have,” Cheryl Deener told the station.

This Friday night, Preston and his mom are hosting an anti-bullying dance at the Brunswick City Building. The entire country should go.