Scary Experience in Cuba

I booked an excursion through , and I left the ship to meet our tour operators across the street in the a nearby square.  When I arrived to our tour operator, I checked in, and moments later a police officer was tapping me on the shoulder.  I asked him what was wrong, and another man was standing behind him.  The officer proceeded to ask me why I was refusing to give this man the $65 I owed him.  I told him I had no idea who this man was, and he was one of a dozen or more classic car owners standing outside of the cruise terminal soliciting his services for a tour of the city in his car.  I politely declined his offer, and proceeded to cross the street to meet with my tour group.  The police officer then proceeded to state that the man said I owed him $65 for driving me around the night before. I opened my photo app on my phone and showed the officer pictures of the taxi I was in the night before, as well as my driver's information, to prove that not only was I not in a taxi with this man, but that he was making up a story to try to shake me down for some money.  All the while, the operators of this tour were within earshot and refusing to help translate or assist me with getting this shady character to back off.  Instead, the tour operator said that the police has a procedure which involves driving me to the nearby police station for interrogation and the issue would be settled there.  I told them I didn't feel comfortable going anywhere with the Cuban police officers, and they insisted that it was in my best interest to go with them so that they could carry on with the tour.  I asked if one of them could come with me to help translate and prove that I was not with this man since I had receipts and pictures to prove that I was not with him the night before, and they refused to assist stating that they cannot get involved.  Before I knew it was being driven to the police station in the back of a Cuban police car only to be interrogated for upwards of 2 hours.  Despite having receipts and photos to prove that I had never seen this man before, the officers at the station insisted that I give him $65.  The man was greeting all of the police officers in the station, and greeting the female officers with kisses on the cheeks, so I could tell right away that this was not the first time this man had pulled this stunt on an unsuspecting tourist, and that he had a relationship with the Cuban police force.  I had to go all the way back to the cruise ship to find an ATM to pull out cash to give to this shady character.  Meanwhile, the tour operator did not wait for me, ask if I was ok, call the ship to let them know what was going on, or anything.  I was in a black hole in Cuba, without access to phone or internet, and the cruise ship had no idea where I was.  It was BEYOND unbelievable that they treated the situation with so such disregard for my well-being and safety.  I was horrified, and it absolutely ruined my entire trip.