Tormented by past heartbreak and contemporary politics, for Edgar 'Lefty' Mendieta the news of the murder of lawyer Bruno Canizales represents just another day at the office in the drug-ridden city of Culiacán.It soon becomes clear that there is no shortage of suspects in a city where it's hard to tell the gangsters from the politicians. Canizales was the son of a former government minister and the partner of a drug baron's daughter, with his own penchant for cross-dressing and dan...