an officer repeatedly punches 20-year-old emily wineman in the head, then throws her to the ground.ight, new jersey police investigating the incident including what they say the camera didn't capture. the public safety commissioner says she hit an officer first, kicking him in the groin and attempting to run away before a neighboring beach goer started filming. >> look, if we did something wrong, we don't bury it, but if we were right, which in this case, i do believe we were, the facts will come out. >> reporter: wineman told her story in a facebook post that's since been taken down. the under age philadelphia woman age philadelphia woman saying police questioned her because she had alcohol and she says she passed a breathalyzer test but when officers asked her for her name, wineman refused and this happened. the officers involved are on administrative duty. wineman faces a variety of offenses including two counts of aggravated assault on a police officer, aggravated assault by spitting at or on an officer, resisting arrest and a minor in possession of alcohol. all for a day at the

. >> reporter: 20-year-old emily wineman held down and punched at wildwood beach on saturday. >> stope releasing their footage after this video taken by a bystander went viral. witnesses pleading with her not to resist, before the officer starts swinging. the first body cam video shows how the confrontation began, with officers questioning wineman and her question about underage drinking before considering breathalyzer tests. >> i didn't take a drink of anything. >> reporter: wineman telling the officers, her aunt is with them, before she steps away. >> grab her real quick. we'll have them pour it out. >> reporter: as the officer puts away the breathalyzer, he ends the recording. according to police, the officer re-activates his body cam when the incident escalates. >> 18-month-old daughter over there. >> you're not cooperating. what is your last name? >> you don't need my last name. >> i'm done with you. >> reporter: as wineman walks away, officers pursue. >> don't touch me. >> you're about to get dropped. >> reporter: according to police, the camera shuts off when wineman forcibly s

in a now-removed facebook post, wineman says she was approached for underage drinking.-old admits to having alcohol on the beach, but claims to have passed a beth lyser test. she says she refused to give her name to the officers, and it's a what led up to the arrest. this morning, the wildwood police chief said the video is alarming, but says he's not rushing to judgment until the investigation is complete. now, wineman faces multiple charges including assaulting a police officer and resisting arrest. officials say the involved officers have all been reassigned to administrative duty pending the outcome of this investigation. as you can see, there's lots of questions about why this got to the level it did. >> so out of hand. anne, thank you. >>> also this morning, we're learning some new details about what happened inside an indiana middle school just days after a student opened fire there. the hero teacher who intervened speaking out this morning after reinased from the hospital. nbc's ron mott continues to follow this story for us. he's in noblesville, indiana. ron, g