Robert Hanssen, notorious FBI agent caught spying for Moscow, dies in prison Hanssen received payments of $1.4 million in cash and diamonds for the information he gave the Soviet Union and Russia.

Courtesy photos. In January 1995, the country's most secure prison—United States Penitentiary, Administrative Maximum Facility (ADX Florence)—opened in Florence, Colorado.

Bowers’ attorneys have been arguing that the federal Bureau of Prisons would likely consign Bowers to ADX Florence, the notorious Colorado maximum security prison known as Supermax.