Tropicana Casino & Resort Atlantic City did not speak English, claimed Doyle's wife was a fraud, and ended his friendship with Conan Doyle. In 1929, the Ambassador was the site of the infamous Atlantic City Conference, in which a number of organized crime bosses, including Al Capone, Meyer Lansky and Lucky Luciano, negotiated their territorial rights after a wave of violence. In 1931, as Philadelphia gangster Mickey Duffy slept in the hotel, he was shot and killed by assailants who were never caught. The incident was dramatized in the series "Boardwalk Empire", with a character called Mieczyslaw "Mickey Doyle" Kuzik. The hotel eventually closed in the
History of Las Vegas crime on Las Vegas. Although ethnic organized crime figures had been involved in some of the operations at the hotels, the Mafia bosses never owned or controlled the hotels and clubs which remained monopolized by hard-bitten local Las Vegas families who were unwilling to cede ground to the crime bosses and proved strong enough to push back. This changed in post-war Las Vegas when Jewish gangster Bugsy Siegel, with help from friend and fellow mob boss Meyer Lansky, poured money through Mormon-owned banks for cover of legitimacy and built The Flamingo in 1946. Siegel modeled his enterprises on the long-running