101.   At no point in the investigation are law enforcement officials able to monitor any conversations other than those on the one phone.

102.   At the hearing, law enforcement officials testified that the militia members are dangerous.

103.   At a news conference on Wednesday, law enforcement officials said Ms. Huddleston apparently continued to have some legal rights over Jonathan.

104.   At The New York Times, a reporter received an envelope containing a powdery white substance, and law enforcement officials were investigating.

105.   At the same time, the FBI issued a nationwide alert to all U.S. law enforcement officials requesting that they be on guard against any suspicious activity.

106.   At the same time, a senior law enforcement official said that conversations the gunman had with others just before the shootings suggested that he might have been unbalanced.

107.   At the same time, he stepped up pressure on local law enforcement officials to exercise more caution about randomly stopping young people of color near the Harvard campus.

108.   ATF explosives experts have been called in to help local law enforcement officials in about a dozen foreign countries.

109.   At the hearing, politicians and law enforcement officials vowed to crack down on Mafia infiltration of the labor force at the Javits Center.

110.   Authorities say Militia of Montana members have threatened the lives of judges and law enforcement officials in their home state.