As a more general policy, I think all mothers-in-law should be arrested. Just in case.
Well, since time immemorial the mothers-in-law were looked upon with suspicion and dislike, right? It's not for nothing the wisdom of ages has withstood the test of time.
Biography of Jose Gilberto Soto, 1954 - 2004
http://www.teamster.org/04news/hn_041122_2.htm