April 19, 2012 4:20 pm From the Archive: Detective Who Searched for Etan Patz Watch an archive interview of William Butler, an NYPD detective who spent years searching for Etan Patz, the boy who went missing in 1979. Local 2:14 Final day of classes set for spring at Columbia as negotiations with protesters reach impasse 2:42 Woman fighting for life after carjacker's crash into NJ bar 3:20 Columbia encampments continue for second week 3:49 35-foot-tall ‘Shaved Portions' abstract sculpture 2:06 Art installation more than a mile long unveiled in Queens neighborhood