1.   He had a perfect alibi and the police let him go.

2.   For he is suddenly, miraculously, aware that he has got a wonderful -- no!

3.   Lori Heddinger had the perfect alibi for being late to work at her Midtown Manhattan wireless communications firm.

4.   The crime was committed while Goodwin was prosecuting a murder, which gave him a perfect alibi.

5.   The perfect alibi, they chorused.

6.   A member of the Zealots was acquitted of the murder, after an appeal, because of a perfect alibi.