The hit is right around :20 into the video and put the video at full screen to really get a good view.
The description title says she was innocent. Regardless, in situations such as this (riot after a loss in a highly contested college basketball game) police officers could care less about gender and frankly anyone can get it, whether you are guilty or not.
“These girls had been trying to get to their car. The girl is on her phone not paying attention and this cop came out of nowhere and just leveled her,” Landolt told the Daily Star. “After that everyone just started yelling and she started crying.” -Phoebe Landolt.