The motorcyclist who took video of a group of motorcyclists says SUV driver Alexian Lien threw a water bottle at the cyclists before he started recording.

Kevin Bresloff (WCBS TV)

Andrew Vecere, the lawyer for videographer Kevin Bresloff told CBS This Morning his client turned the helmet camera on after  he saw - "or what he believes that he saw was a water bottle come out of the sunroof of the car," Vecere said.

Vecere denies Bresloff, who has been co-operating with police in their investigation of the chase, tampered with the video. Vecere says there is no more video footage because the battery on the camera ran out.

The New York Post reports that one of the off-duty NYPD detectives who were present at  at end of the chase participated in the beating despite his denial. Video footage shows the officer pounding his fists on Lien's vehicle.

Christopher Cruz (ABC News)

Christopher Cruz, the Passaic biker who stopped his motorcycle  short in front of Lien's SUV, denied any responsibility in the incident. “I wanted them to pull in front so I could follow them. I didn’t brake, but when I looked over my shoulder, my hand came off the throttle a little, but the driver didn’t slow down at all and bumped me," Cruz told ABC News.