The NYC shooting cut 4 victims' lives short: An exec-mentor, a young Cornell grad, an officer, and a security guard

Didarul Islam, Wesley LePatner, Julia Hyman and Aaland Etieene. ZUMA Press Wire/ Reuters Connect; Kelly Taub/BFA.com; Courtesy of the Office of New York City Mayor Eric Adams A gunman's shooting rampage at a Manhattan office tower left four people dead. The victims include a police officer, a real…