Fuller raised a provisional regiment for the war with Spain and was commissioned colonel of the Thirteenth Illinois Infantry by Governor John Riley Tanner.

Fuller was involved in the prosecution of serial killer Thomas Neill Cream in 1881 and in his pardon and release by Governor Joseph W. Fifer in 1891.

Fuller was elected to the Sixty-fourth and to the five succeeding Congresses and served from March 4, 1915, until his death at a hospital in Rochester, Minnesota, June 25, 1926.

He served as chairman of the House Committee on Invalid Pensions (Sixty-sixth through Sixty-ninth Congresses).

[2] This article incorporates public domain material from the Biographical Directory of the United States Congress