Hanssen was the ultimate "sleeper"—a seemingly ordinary suburban father and devout church member who used his top-secret clearance to leak names of U.S. double agents and defense secrets.
A report by the Surveillance Technology Oversight Project (S.T.O.P.) uses this title to critique neighborhood watch technology. "The Spy Next Door". subtitle The Spy Next Door
The Spy Next Door: The Extraordinary Secret Life of Robert Philip Hanssen , a book by Elaine Shannon and Ann Blackman. subtitle The Spy Next Door