1.   He had been standing large as life beside Lady Usk, and it was plain that he knew her identity.

2.   He wanted to know the identity of his real father.

3.   He maintained he did not know the identity of the woman.

4.   Always contact witnesses as soon as their identity is known.

5.   In one assault police believe they know the identity of the attacker and his family have pleaded with him to come forward.

6.   He named a Glasgow taxi driver, Joe Hughes, as an accomplice but later denied he knew the identities of the other men involved.

7.   Although McKenna now knows the identity of the anonymous caller, he predicts it will be years before he reveals it.

8.   Although The Times did not know the identity of the chief suspect, FBI officials said they feared he would recognize himself from details in the article.

9.   America Online knows the identity of the person whose return address was given in the Jessica letter, but would not release it while its investigation is continuing.

10.   A computer, without knowing the identity of the chemicals, could group them by type of toxicity.