Murray Humphreys late 1920s to the early 1930s, Humphreys, along with "Red" Barker, William "Three-Fingered Jack" White and William "Klondike" O'Donnell, was one of the mobsters who orchestrated the Outfit's takeover of a number of Chicago labor unions. Humphreys was later indicted for the December 1931 kidnapping of a union president, Robert G. Fitche, but escaped conviction. In 1933, with Capone behind bars for income tax evasion, the chief investigator for the State Attorney's office described Murray Humphreys as "'public enemy No. 1' and 'the czar of business rackets in Chicago.'" Later that same year, Humphreys was indicted for income tax evasion
UBS tax evasion controversies had worked for UBS between 1992 and 2005 before going to work for Credit Suisse, which fired him after his arrest. The DOJ said his criminal activities occurred while he was in the employ of UBS. The DOJ charged Bagios with engaging in a conspiracy with Gadola, Martin Lack and Hansruedi Schumacher (arrested in 2009) of abetting tax evasion by American citizens. He was accused of helping 150 of his American customers conceal up to $500 million in assets from the IRS while a UBS employee. On 6 November 2012, Bagios pleaded guilty to one count of conspiracy involving defrauding