Biase and his brother Benny owned a cigar store that served as a front for a bookmaking operation.
He eventually became involved in illegal gambling operations in San Francisco and Los Angeles, and later on mob-owned casinos in Las Vegas.
In 1959, Anthony Marcella, boss of the Omaha organization, was convicted on charges of narcotics and tax evasion.
In March 1960, Biase was indicted on several narcotics charges, based on information from Kenneth Bruce Sheetz, a minor drug dealer in his organization.
On September 21, 1991, Anthony Biase died of natural causes in South Omaha, Nebraska.