A Blackstone executive who served on the board of the Met. An NYPD officer and soon-to-be dad of three, working a paid detail on his day off. Another man. A woman. Portraits are beginning to emerge Tuesday of the four people who lost their lives when a gunman with an assault rifle stormed a midtown Manhattan office building Monday

Blackstone executive Wesley LePatner was identified as one of the victims killed in the mass shooting at 345 Park Ave. on Monday, according to a spokesperson for the company. LePatner was the Global Head of Core+ Real Estate and the Chief Executive Officer of Blackstone Real Estate Income Trust (BREIT),