Green’s Dictionary of Slang

Home n.

[apparently criminals were welcome to use this as a base as long as they did not operate locally]

(US Und.) St Paul, Minnesota.

[US] ‘Und. Place-Names’ in AS XV:3 Oct. 341/1: St. Paul has long borne the name of Home to thieves, pickpockets, con men, and professionals in the heavy rackets because they were once all welcome to make it their headquarters as long as they did not operate locally.