Waupun Inmate Convicted in 1973 Murder

7/30/11 – An Arizona jury has convicted a man from Madison in a murder almost 40 years old. Prosecutors say 57 year old William Floyd Zamastil faces up to life in prison when he is sentenced next October. Right now he is serving a prison sentence at the Waupun Correctional Institution. The prosecutors argued successfully that Zamastil abducted Leesa Jo Shaner from Tucson International Airport in May 1973. He raped a murdered hur, leaving her body in a shallow grave. Zamastil has been convicted fof four other murders.