Why would a triplex in the West Village, measuring about 3360 sq ft, go abandoned for decades? More importantly, what's inside? amNY takes a look at the mystery of 43 MacDougal Street, which has had locals rumor-mongering about it for ages."I heard that it used to be a hangout for the mafia, and there was a police shootout there, and they had to close it for evidence," said Tal Kon, 22, who has lived on......