. >> mc knight and robinson are accused of brutally beating 23-year-old najee rivera back on may 29th of 2013. the officers stopped rivera who was ride ago scooter on north seventh and somerset streets. rivera telling a grand jury he initially took off because the officers had their batons drawn and he was scared. but he says the two chased him down and beat him with those batons. >> he didn't resist. he didn't lunch at them. didn't have weapon. they hit him in the head. he fell off his scooter. he was in pain. they began beating him. >> reporter: investigators say mc knight and robinson said that rivera resisted arrest but his girlfriend went back to the scene of his arrest on the 2700 block of north sixth street and found surveillance video yo that the da says shows the officers lied. >> none of it was true. except for the blows inflicted on najee rivera. >> reporter: the attorney for officer mc knight says the two cops were just doing their job. >> when people flee and they try to keep themselves from getting arrested sometimes officers in using force create injuries. the al interp

>> reporter: vindicated by video, nearly two years after he was beaten by police. 23-year-old najee rivera receives a slice of justice. the two police officers indicted by a jury and arrested this week charged with police brutality brutality. >> the eye was beaten and swollen shut a broken nose approximately 20 staples from the top of his head having his head split open. >> reporter: it was may 29th, when veterans officers said rivera resisted arrest after they said he ran a stop sign on his scooter. in an initial report officers said rivera quote attempted to flee on foot after being pulled over. according to officers rivera then slammed an officer against a brick wall before throwing elbows at an officer during the struggle. officer robinson was even said to suffer minor pain. after watching surveillance video from the incident the grand jury determined the officer's story was a lie. >> the video undermined every aspect of the officer's account of the incident. another officer at the scene thought mr. rivera had been shot since there was so much blood on the ground. >> reporter: it was r

. >> reporter: this surveillance video captures a brutal beating. 23-year-old najee rivera screams asis pushed up against a wall by two police officers, then hit repeatedly. but that night, rivera was the one arrested. accused of assaulting officers kevin robinson and sean mcknight, and resisting arrest. until that video of the may 2013 incident surfaced. >> the video undermined every aspect of the officers' account of the incident. >> reporter: that crucial surveillance tape, discovered by rivera's girlfriend. she went door to door in this philadelphia neighborhood, searching for any business that might have caught the incident on camera. she found one here. rivera admits he fled from the officers on his scooter. but on the video, when the police catch up, they knock him to the ground. then strike him repeatedly. >> what they did was totally inappropriate. >> reporter: a grand jury concluding rivera did not attempt to assault either officer, finding the officers later "falsified police reports." >> we look forward to going to trial. >> reporter: the police officers have been suspende

police officers kevin robinson and sean mc knight were making rounds and pulled over najee rivera on his motor scooter for a traffic violation. rivera left the scene. the two officers chased him. and you're about to see what happened next. look closely. police say the two officers through rivera against a wall before punching him several times while he was on the ground ground. >> it was wrong. even if he had been the devil himself they cannot have done what they did to him when they stopped. >> reporter: philadelphia da seth williams and police commissioner charles ramsay were blunt. they do in the support the two officers. >> what they did was totally inappropriate, tollly improper, totally in violation of any p.m. see, any training anything. ramsay said the two officers broke police protocol by not following rivera with their lights and sirens on before they knocked rivera off his scooter. but officer robin son' defense attorney fortunato per roo says his client did nothing wrong. >> i would cark terrorize what the tape shows as good, solid police work under the circumstances. >>

their alleged victim 23-year-old najee rivera howling in agony as they punch him over and over again.n that night back in 2013 rivera was the one charged with assault after admitting he fled police on his scooter. the surveillance video that captured the beating found only every vera's girlfriend did some investigating. >> she went door to door in this philadelphia neighborhood searching for any business that may have caught the incident on camera. she found one here. >> the story that najee told her prompted her to jump into action to protect her man. >> reporter: her discovery leading to a grand jury indictment of the two officers seen here chasing rivera in their patrol car. one of them reaching out and clubbing him with a baton. >> they hit him in the head. he fell off his scooter. he was writhing in pain and they began beating him. >> reporter: a very different story than the one officer sean mcknight and kevin robinson put in their police report claiming they saw rivera lose control of the scooter and fall to the ground before he began to attack them. >> the videotape undermined

police officers kevin robinson and sean mc knight unnecessarily inflict inflicted on 23-year-old najee riveraack on may 29th 2013. he was ride ago scooter near north seventh and somerset streets in north philadelphia when officers sean mc knight and kevin ribbon son pulled over. rivera telling the grand jury he got frightened because the officers had their batons out so he took off toward north sixth street with the officers chasing after him. >> one of them actually reached out of the window and clubbed rivera in the head. the car bumped the scooter and rivera fell to the ground. >> reporter: investigators say the two officers said he was resisting arrest and he was charged with aggravated assault. but his girlfriend went back to the scene and sound surveillance video from a store on the 2700 block of north sixth. the district attorney says the video and audio from the tape tell quite a different story. >> they came up to him. they struck him. you can hear the crash. you hear him screaming. you hear and you see them standing over him and just beating him. what they did was totally inappropri

rivera's girlfriend did some investigating. she went door to door in this philadelphia neighborhood searching for any business that may have caught the incident on camera. she found one here. >> the story that najee her to jump into action to protect her man. >> reporter: her discovery leading to a grand jury indictment of the two officers seen here chasing rivera in their patrol car. one of them reaching out and clubbing him with a baton. >> they hit him in the head. he fell off his scooter. he was writhing in pain and they began beating him. >> reporter: a very different story than the one officer sean mcknight and kevin robinson put in their police report claiming they saw rivera lose control of the scooter and fall to the ground before he began to attack them. >> the videotape undermined every, every aspect of the officers' account. >> reporter: attorneys for the officers say they plan to plead not guilty to charges of aggravated assault and criminal conspiracy among other counts. the videotape shows a very brutal beating. was that necessary? >> i don't know that the videotape shows that. the videotape shows that the police officers were doing their job under the circumstances. >> well, the o

city police officers kevin robinson and sean mc knight unnecessarily inflicted on 23-year-old najee rivera back on may 29th 2013. rivera riding a scooter near north seventh and somerset streets in north philadelphia when officers sean mc knight and kevin robinson pulled him over. rivera telling the grand jury he got frightened because the officers had their batons out. he took off toward north sixth street with the officers chasing after him. >> one of them actually reached out of the window and clubbed rivera in the head. the car bumped the scooter and rivera fell to the ground. >> reporter: investigators say the two officers said that rivera was resisting arrest and he was charged with aggravated assault. but rivera's girlfriend went back to the scene and found surveillance video from a store on the 2700 block of north sixth. the district attorney says the video and audio from the tape tell quite a different story. >> they just came up to him they struck him. you hear the crash. you hear him screaming. you hear and you see them standing over him and just beating him. what they did was to

surveillance video shows the two officers attacking najee rivera.eat riviera without provocation and falsely arrested him. the surveillance tape was discovered by his girlfriend after she doubted the police version of events. a hit movie is complicating jury selection in a trial. >>> chris kyle, the subject of "american sniper." kyle and friend were shot and killed at a gun range two years ago. the judge in the case is telling jurors it is all right if they have seen the movie as long as they haven't made up their minds about the case. some have. however, they were sent home. >>> bobbi kristina brown's family is close mouthed about the condition of whitney houston's daughter. brown was found face down in a bathtub in her home last weekend. some information has leaked out but it is hard to tell fact from fiction. abc's receive osunsami has the latest. >> reporter: surrounded by her family at emory university hospital, there are conflicting reports about the condition of bobbi kristina. the daughter of the late whitney houston. "people" magazine is re