Brother of hero 9/11 firefighter relives heartbroken moment he knew hero sibling had died: ‘Sick to my stomach’

In the haze of confusion and fear on September 11, 2001, Frank Siller felt certain of one thing. “I turned to my mother-in-law and said, ‘I think I just lost my brother.’ I was sick to my stomach,” he told me of that fateful morning. His brother, Stephen Siller, had just gotten off duty as...