A tla sprayed on walls by neds to express their animosity toward the authorities. Sometimes extended to F T Polis. In Protestant areas can also signify a lack of respect for the leader of the Catholic church.
FTP abbreviation slang/colloquial Fuck The Police. Used as a term to suggest that police behaviour or intervention was wrong in the opinion of the user, or suggesting that the user has a general negative attitutde to police actions.
Context would be news reporting on facebook comments following death after police pursuit. Citation could be from An internet search on FTP car chase site:nz yeilding news articles.