Green’s Dictionary of Slang

fixer n.1

[SE fix/fix v.1 (2)]

(orig. US) one who arranges or adjusts matters, a go-between, esp. in an illegal context.

[US]Amer. Mission Dec. 363: Where the ‘boss’ and the fixer of elections are unknown [DA].
[US]C.R. Wooldridge Hands Up! 93: Charles Gundorf, known as a ‘fixer’ and also as the ‘King of the Con Men.’.
[US]A.G. Field Watch Yourself Go By 392: The stool pigeon after receiving the money [...] was supposed to be met by the fixer of the ‘Gift Show’, to whom he was to return the money the boss had given him.
[US]F. Williams Hop-Heads 20: Their stories running to the Hall of Justice and the ‘fixers’ that abound about the police courts.
[US]R. Chandler ‘Goldfish’ in Red Wind (1946) 157: A small time fixer, an alibi builder-upper, anything that smelled a little and paid a little more.
[US]D. Maurer Big Con ix: High police officials and politicians who act as fixers for criminals.
[US]Lait & Mortimer USA Confidential 129: He is a fixer for everything, including Republican Wayne Morse.
[US]C. Clausen I Love You Honey, But the Season’s Over 160: The show’s ‘fixer’ was talking forty miles an hour to a police lieutenant.
[UK]P. Fordham Inside the Und. 80: The one-time ‘fixer’ nowadays is apt to be used.
[UK] in G. Tremlett Little Legs 72: We were well organized with plenty of fixers, bent solicitors and accountants who would sort things out.
[US]S.L. Hills Tragic Magic 142: The fixer would get things done, like job re-assignments and cell-block changes.
[UK]L. Pizzichini Dead Men’s Wages (2003) 207: A fixer [...] is the man who acts as a go-between for villains and the police. Most of them are regarded as ‘dirt’.
[UK]K. Richards Life 212: A tough bloke from North London soon to become the Stones’ fixer-in-chief.
[US]L. Berney Gutshot Straight [ebook] Tatum was considered the best go-to guy in the California state system. Even the blacks and Mexicans, who had their own fixers, used him.
R. Hart ‘Confessions of a Taco truck Owner’ in ThugLit July [ebook] He assured me the fixer probably wouldn't be necessary.