1.   Americans want to know your motives.

2.   And he said he did not know the motive of whoever moved it.

3.   A motive was not known.

4.   But Waters said the motive was not known.

5.   But until now the motive was known only to the ants.

6.   Drugs and gangs remain the primary factors in most Chicago killings where the motive is known, the police said.

7.   He said that his soldiers had not returned fire and that he did not know the motive for the attack.

8.   His motives were not known, police said.

9.   No motive is known and company officials declined to comment.

10.   No motive is known.