Central Park 5 at Dem Convention vs video of their youthful 1989 testimony

It was well understood at the time of conviction that the seamen found in the victim was not from any of the 5. Are they innocent. There was admissions of kicking and punching the victim, pulling her hair to restrain her, laying on top of her naked body, holding her breasts, one guy admits to having his dick out. Let's say for the sake of argument that the rapist showed up after they unhanded the victim. Were they involved in a crime?