 (For years, taxi operators complained that Montana maintained a monopoly on taxis in Buffalo, and some claimed that the other smaller taxi companies in town were run by associates of Montana who kept businesses going solely to save Montana's companies from anti-monopoly legal proceedings).While accusations were rare and unconfirmed, some opinions stated Montana's cabs were corrupt.While working at a legitimate and successful business, Van Dyke drivers were said at times to transport gambling paraphernalia and liquor.