21.   Albanian crime bosses have made up for their late start with extraordinary aggressiveness and risk-taking, say European law enforcement authorities.

22.   Al-Amin fled to some nearby woods, which were surrounded by law enforcement authorities.

23.   But according to a survey to be released Monday, that trend is coupled with attempts by law enforcement authorities to gain new surveillance powers.

24.   But as Kerry knows, it is only recently that American federal, state, and local law enforcement authorities have begun to seriously cooperate on a local level.

25.   But before they arrived, the man was interrogated by German law enforcement authorities about his dealings with El-Hage, and was fired by his employer.

26.   But few criminologists or law enforcement authorities believe the new laws will have much deterrent effect.

27.   But law enforcement authorities did not release his name.

28.   But law enforcement authorities have said evidence indicated that Khalil had been living in the apartment at the time of the raid.

29.   But many legitimate immigration lawyers say they doubt the resolve of law enforcement authorities.

30.   But over the last two weeks the law enforcement authorities have dropped most of those cases.