building. the world trade center in new york was the first target. that's where most of the nearly 3,000 victims lost their lives. among them, a husband and a father who worked on the top floor. gary tuckman has a personal connection to the family and he shares their story. >> reporter: on the morning of september 11th, 2001, lewis and diane were excited getting ready to move into a renovated house in westchester county, new york. diane, a friend of mine for more than 35 years, says her husband did not have to go to work that day. but felt it was important to just go in briefly for a morning meeting. >> do you remember anything about him going to work that morning? >> yes, because we were so giggly and silly. >> reporter: lewis was a senior vice president of a fiduciary trust company, he worked on the 95th floor of the south tower of the world trade center. he called diane from the office that morning asking if the movers had arrived. >> and then he started to