Bonanno says the officer belongs to a motorcycle club and was riding with hundreds of bikers who participated in the September 29th rally , but insists he did n't witness the assault on Lien . NEW : A third NYPD officer is under investigation in connection with the clash . Robert Sims , 37 , and Robert Sims , 35 , have been indicted . Robert Sims , 35 , also was indicted in the biker clash . There have been at least two arrests in connection with the clash .
NEW : A third NYPD officer is under investigation in connection with the clash . Robert Sims , 37 , and Robert Sims , 35 , have been indicted . Robert Sims , 35 , also was indicted in the biker clash . There have been at least two arrests in connection with the clash .