When a Killer Calls: A Haunting Story of Murder, Criminal Profiling, and Justice in a Small Town (Cases of the FBI's Original Mindhunter, #2)

by John E. Douglas

The envelope was postmarked June 1 and carried a twenty-two-cent stamp from the Folk Art series, featuring a mallard duck decoy. Roof informed the officers that the duck decoy stamps had been issued that year and were being sold currently.