‘When rogues fall out, truth is revealed, and honest men get justice.’ (1838 A. Jackson Letter 26 Mar. in Correspondence (1931) V. 545)

The rogues have fallen out, and honest men may come by their own. (1866 C. Kingsley Hereward the Wake xv)

When thieves fall out, honest men come by their own (Oxford Dictionary of Proverbs)

While there is said to be honour among thieves, an inequality or a sharp…