 In 1943, Nick Circella, Caifano's associate, was tried for extortion trial of his girlfriend, Estelle Cary who was about testify against him until her burned and stabbed body was later found.Caifano was suspected of the murder, but the case was never solved; he was also suspected of several other unsolved killings, including the 1950 murder of former Chicago Police Lt. William Drury, the 1952 strangulation of mobster "Russian Willie" Strauss and the 1973 shotgun killing of Police Officer Richard Cain.In the 1950s, the Outfit moved in on the business of black mobster Theodore Roe, a tried to kidnap him, but Roe killed Caifano's brother during the botched kidnapping attempt in 1951.