ANSWER
They were moving together, personally I haven't seen them committing any action or act together.
MR (?):: I'm always surprised, not that I'm inhibiting your cross-examination, it always baffles me that witnesses are expected to, in support of an allegation with the police, are always expected to, almost expected to say that we did see these people actually committing an offence with the police.   How can the policeman ever openly and publicly commit crimes in collusion with criminals?   I'm not referring to your question in particular, it's just a general observation.