DEFENSE
You can be factually guilty without being legally guilty. You may have actually committed the crime, but if it can't be proven in a court of law you aren't legally guilty.
alibi
no
alibi
pardon
an excuse for something or a crime
An alibi is a legal excuse. That's my alibi, and I'm sticking to it. The truth is my alibi.
Blame the dog.
Not to a court, possibly to a jury.
By definition, it is not legal to do any crime. That's what "crime" means.
Commit a crime
alibi