51.   But the bombs were more sophisticated than anything seen from that group.

52.   But the container was not correctly placed and the bomb was not as effective as it should have been, Parr testified.

53.   But the nation learned that there were real bombs behind some of those bomb threats.

54.   But the possibility that a bomb was set at a police station heightened public fears that law enforcement is being overwhelmed by organized crime.

55.   But two Air Force reports cited scores of preventive measures that Schwalier took and concluded that the bomb was too large to defend against.

56.   But, Meserve said, such a bomb was unlikely to kill people.

57.   By fitting the pieces together and examining the patterns of curled metal, analysts might learn whether a bomb was involved and where it was located.

58.   Bystanders must have thought there was a bomb in my Jeep.

59.   Dirty bombs are not mass killers, they are weapons designed to inspire panic and cause disruption.

60.   Errant bombs have been a conspicuous problem in recent days.