51.   Locked doors prevented anyone from entering offices closed by fear of germ warfare.

52.   Maybe I have spent too much time in jail to like locked doors.

53.   McDermott blasted through the locked door with a shotgun and walked in.

54.   Minutes later, as police began breaking open the locked door with a crowbar and a sledgehammer, Neale opened fire through the door, police said.

55.   More hauntingly, Walker talks about the locked doors and shotgun that shielded the family from the dangers of their environment.

56.   Ms. Perlov, then a rookie, and her fellow officers suddenly found themselves up against a locked metal door.

57.   Minutes later, as the police began breaking open the locked door with a crowbar and a sledgehammer, Neale opened fire through the door, police said.

58.   Often, security amounted to nothing more elaborate than a locked door.

59.   Officials blamed the toll on locked doors at the building.

60.   Parr said the SWAT team had been going from room to room in the school, breaking down locked doors that had been barricaded by the frightened students.