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
Cardiac arrest specific training and expertise, and even then that it should be viewed in conjunction with other indicators such as agonal respiration. Various other methods for detecting circulation have been proposed. Guidelines following the 2000 International Liaison Committee on Resuscitation (ILCOR) recommendations were for rescuers to look for "signs of circulation", but not specifically the pulse. These signs included coughing, gasping, colour, twitching and movement. However, in face of evidence that these guidelines were ineffective, the current recommendation of ILCOR is that cardiac arrest should be diagnosed in all casualties who are unconscious and not breathing normally. Another method is to