From the Archive: Detective Who Searched for Etan Patz - NBC New York

    Archive Interview: Etan Patz Detective

    Watch an archive interview of William Butler, an NYPD detective who spent years searching for Etan Patz, the boy who went missing in 1979. (Published Thursday, Apr 19, 2012) Watch an archive interview of William Butler, an NYPD detective who spent years searching for Etan Patz, the boy who went missing in 1979. See More