in his work, political cartoonist rafael pineda exposes the dangers that journalists face in mexico. rafael: mexico's not a good place for freedom of expression. we're attacked, tortured, kidnappeped, murded.d. rafael pipineda's work mamaks him a a thorn in the sidide of mexico's drug kingpins and corrupt politicians. that puts his life in dangnge. rafael: once, after a party, i got in the car. it was early in the morning, a grey day. and then i saw a message that had been left on the back of the car -- "keep quiet." i saw it in the rearview mirror. i was badly shaken. >> he defied the threat and carried on workingng. pineda knows he can't expect any protection from the police or the courts. on the contrary -- rafael: if a journalist is found murdered, they're made out to be a criminal. no one bothers trying to investigate if the work they were doing might have had something to do with their death. >> pineda's fears are justified. miroslava breach was an investigative reporter shot dead in her car outside her home. she was setting off to take her son to school. the hit man who killed