A vigil for NYPD Det. Didarul Islam, one of the four victims killed in Monday's Midtown Manhattan office building shooting, ...

It was just after 1:30 a.m., and Jessica Tisch was walking the eerie quiet of 345 Park Avenue, surveying the detritus of a deadly attack.

By Carmen Zermeno and Tony Winders When Carmen's new role called for a trip to New York City to lead a customer training ...