Leavenworth, Kansas
One of the famous people who was in Leavenworth prison was Ricardo Flores Magon. Flores Magon was an anarchist from Mexico. (An anarchist is someone who thinks that there should be no government.) He was an important person during the Mexican Revolution (1910). He died in Leavenworth prison in 1922. Some people think that the guards killed him. Other people think he died of natural causes.