On the morning of Sept. 11, Mr. Bini showed his true colors. He and his childhood friend, Joseph Mascali, were at Tower East Construction Co. when they heard the news about the World Trade Center.

Born in Brooklyn, Mr. Bini moved to Bay Terrace in 1987. After graduating Lafayette High School in Brooklyn, Mr. Bini attended classes at the College of Staten Island.

In 1983, he began his firefighting career at Ladder Co. 172, Brooklyn. He was assigned to Rescue 5, the elite unit based in Concord, in 1991. His fellow firefighters were his brothers.