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COLUMBIA, S.C. – This is just sick. A savage beating caught on camera along a South Carolina river ends with three people right where they belong — in jail!

The video recorded earlier this month shows a mob beating the 20-year-old victim senseless, leaving her bloody on the rocky shore.

“One’s kicking her, and she’s completely helpless. It’s just really hard to watch,” Ramy Williams, the victim’s friend, told WIS-TV. “The other one was just wailing on her face, wailing on her head, you know, on the back of her head. It definitely could have killed her.”

It’s unclear what set off the vicious attack.

“Seeing the aftermath was just insane: the way that she had blood all over her face, two black eyes, you can tell that she’s completely messed up in the face,” Williams said.

The 20-year-old suffered a broken nose and a concussion during the beating.

Police have charged 18-year-old Arlinda Craft, 19-year-old Anns Leigh Hill and 20-year-old Megan Williams with second degree assault and battery by mob.