[Ans] Where was the first U.S. federal penitentiary?

Step 1 : Introduction to the question "Where was the first U.S. federal penitentiary?"

Leavenworth United States Penitentiary is a federal prison that is located in Leavenworth, Kansas. Prior to its construction, federal prisoners were held at state prisons. In 1895, Congress authorized the construction of the federal prison system. Leavenworth has been home to many notable prisoners throughout the years. Philadelphia Eagles quarterback Michael spent 17 months at Leavenworth after agreeing to a plea deal associated with felony charges of operating an unlawful interstate dog fighting ring. Other notable inmates at Leavenworth have included Bugs Moran, James Earl Ray, and George “Machine Gun” Kelly.

[Answer] Where was the first U.S. federal penitentiary?

Step 1 : Introduction to the question "Where was the first U.S. federal penitentiary?"

...Leavenworth United States Penitentiary is a federal prison that is located in Leavenworth, Kansas. Prior to its construction, federal prisoners were held at state prisons. In 1895, Congress authorized the construction of the federal prison system. Leavenworth has been home to many notable prisoners throughout the years. Philadelphia Eagles quarterback Michael spent 17 months at Leavenworth after agreeing to a plea deal associated with felony charges of operating an unlawful interstate dog fighting ring. Other notable inmates at Leavenworth have included Bugs Moran, James Earl Ray, and George “Machine Gun” Kelly.