How to use "alibi" in a sentence

But he had a very good alibi, which proved his innocence.

And if he were lying, he wouldn't have told her the story about Charlie and coffee, for that could be substantiated or disproved with only a minimum of effort; he would have come up with a better alibi if he really needed one

'Lawrence must have put it back to 6.20 to give himself an alibi

He thought that it gave him a perfect alibi.'

Then suddenly he shouted, 'Got it! That telephone call was an alibi