21.   The bomber struck again on Saturday, when a mail bomb killed Thomas Mosser, an advertising executive, at his home in North Caldwell, N.J.

22.   The bomber struck during the morning rush hour in Nahariya, a town on the Lebanese border in northern Israel and close to Abu Snan.

23.   The constant worry is that the bomber might strike again.

24.   The itinerary has changed, with groups spending more time in rural Israel and less time in the urban centers where suicide bombers have repeatedly struck.

25.   The next day, another bomber struck at a bus stop, killing six.

26.   The next day, a suicide bomber struck near the coastal city of Haifa, killing himself and eight bus passengers, four of them soldiers.

27.   Then, as she was flying home from a conference in Asia, the suicide bombers struck in the Jerusalem marketplace.

28.   Three days later, a suicide bomber strikes in Jerusalem.

29.   Police are investigating reports that an illegal Israeli gambling ring is taking bets on where the next Palestinian suicide bomber will strike.

30.   A U.S. serial bomber may have struck again, this time killing a timber industry executive who lobbied to have the spotted owl removed from the endangered species list.