1.   And while the police solve crimes, they must still protect the civil rights of suspects.

2.   But it is a random act, stranger on stranger, which is the most difficult type of killing for police to solve.

3.   Pete Smerick, a retired FBI agent based in Manassas, Va., said some criminals make cases tough for police to solve.

4.   The police solved the case quickly partly because Clines pulled his mask off during the robbery, and Ms. Lehman saw his face clearly.

5.   Their son died in an Arkansas fire, but police never solved it.

6.   But, he said, police are solving more crimes than they did a year ago.

7.   Contract killings and bombings between rival organized crime gangs are common in Russia, although police rarely solve any of the cases.

8.   Industry Minister Suwat Limpatapanlop said the restructuring plans for the sugar refining sector would be adversely affected if the police cannot solve the case.

9.   New York police have solved a string of major cases.

10.   Police have not solved the case.