UFAP is Unlawful Flight to Avoid Prosecution.
Brett Remis' character is based on a real con man, known as the Tinder Swindler. Simon Leviev, the real-life inspiration for Brett's character, would tell people he was the son of a diamond mogul. He would meet women from all across Europe on Tinder, and swindle them out of their money.
CNP is short for Cuerpo Nacional de Policía or the National Police Corps of Spain.