Thank you, teacher Ronbee! I've got two other answers. Are they grammatically correct? Please advise! Thanks :"(

Answer 1:
No, I do not agree because if Holmes let the thief go, the thief will steal other things.

Answer 2:
Yes, I agree. This is because I think the thief will not do that again and if there is no witness, the innocent man be set free.

PLEASE ADVISE ON THE TWO ANSWERS ABOVE...Many thanks for helping, teachers! :"(