Real estate developer Larry Silverstein, left, puts his arm around New York Mayor Michael Bloomberg as they arrive for a ribbon-cutting ceremony to open Silverstein's 978-foot (298-meter) 4 World Trade Center, Wednesday, Nov. 13, 2013 in New York. (AP Photo/Mark Lennihan)

9/11: Larry Silverstein Designed New WTC-7 One Year Before Attacks

Larry Silverstein was caught admitting on camera that he planned to build an entirely new World Trade Center 7 (WTC-7) building one year before the 9/11 attacks had occurred.