Legal Question in Criminal Law in New York

Something like this is called a "bailment" (also includes coat checks, parking garages, etc.) and the theories of liability vary depending on the circumstances. Sounds like a gratuitous bailment, the lowest level of responsibility. Not an easy case to win, esp since essentially, she was doing you a favor ("gratuitously") and you better have proof of what each item is worth AND that they were there and removed. Please also consider that although judges are there to uphold and interpret the law, they are human beings and could consider someone suing a grandmother...