Auxiliary Bishop Austin Vaughan of the New York Archdiocese was arrested and imprisoned for Rescue. Upon release he told Mario Cuomo that Cuomo was going straight to hell. I would wager that police got the message. Judges in Connecticut surely did, while moaning that Roe vs. Wade had tied their hands.
Bishop Rene Gracida, while still Bishop of Corpus Christi, issued letters over his signature to police, sheriff's deputies and law enforcement generally that arresting pro-lifers was not morally permissible but made law enforcement personnel complicit in the moral crime of abortion. He told them to refuse such duty and provide Bishop Gracida's letter to their superiors. As a side note, long before he was a priest or even in seminary, he served as a tailgunner in WW II with the 303rd Hell's Angels.
I feel certain that there were others. All of them should have told the police what you have referenced. Heck, if a couple of hundred set an example by Rescuing and going to jail and making clear that each bishop would be the last to leave jail, we might have put an end to abortion in 1973.
I knew about Bishop Vaughan, but never heard about Gracida. I wonder if his diocese would provide those letters to a historian.