gunsmoke:

.... he couldn't prove he wasn't there...

the standard in criminal court is 'innocent until proven guilty'. You seem to be functioning with the standard of 'guilty until proven innocent'.

gunsmoke:

.... Sure we wish there was more evidence, but there isn't.

Good reason to acquit then.

gunsmoke:

.... lesson learned - don't go around robing people.

Lesson learned: Don't go around convicting people on flimsy evidence.