Well, as your lawyer and your friend, my advice to you is to bite the bullet and give them your alibi now, cos no-one's gonna believe you later.
12 seconds sound clip from the Saw (2004) movie soundboard.
You can hear this line at 00:22:49 in the Blu-ray version of the movie.
Quote context
[...]
- Well, I have to ask. What were you doing last night?
- Who?
- Look, if you can't be honest with me...
- I was visiting someone, It wasn't a patient. All right?
- He tried to set me up for murder.
- OK. We checked your alibi, It holds up.
- We have one of the victims who managed to escape.
[...]