Working retail we had to throw away alot of good products and the district manager would not allow us to donate anything (we were not even allowed to take stuff home) because of possible lawsuits. IE: Someone eats X thing and gets sick, sues the store for 'giving' them spoiled product. Will it hold up in court? I dunno.

Iv always heard of them but never seen proof of them, i'm sure if you dig you might find them.