 His wife left him after growing weary of his illegal activities and infidelities.He soon formed his own gang and began committing bank and train robberies throughout Kansas, Missouri, and Iowa, eventually earning a reputation as the premier bandit in the Midwest by the early days of Prohibition.In 1920, through Callahan, Adams formed a partnership with outlaw brothers Ray and Walter Majors and, on September 5, attempted a daylight robbery against a notorious Kansas City gambling den on Grand Avenue owned by Harry Trusdell.