41.   Earlier this month, Homeland Security czar Tom Ridge visited Ground Zero at the site of the demolished trade center in lower Manhattan and reiterated the White House commitment.

42.   Federman, a corporate lawyer, was in her office at J.P. Morgan Chase, three blocks from the trade center, punching the message into her BlackBerry pager.

43.   Film taken by people in an architectural firm near the trade center shows the outer wall collapsing as the trusses fell and the supporting columns buckled.

44.   Fingerprints were also discovered matching those of Bilal Alkaisi, who was indicted in the trade center bombing but whose case was severed from that of the other men.

45.   Feldheim said he lost five friends who were police officers at the trade center.

46.   For some New Yorkers, however, losing even a spectral representation of the trade center might be painful.

47.   Four others were convicted last year of participating in the attack on the trade center.

48.   Gregory Zuckerman, a Wall Street Journal reporter, missed the bus he had planned to take to a morning meeting at the trade center on Tuesday.

49.   He did not work at the trade center.

50.   He exulted in the death toll from the trade center.