I learnt my lesson some years ago when we had a robbery adn tehy were chased and dumped all,our food over a wall. the Police very kindly rought it back but as a lot of it wasn't labelled I couldn't really use it - I cooked loads of stuff and refroze it - well marked and dated, and labelled - DOGS!!!
So now I have labels and dates on all my stuff that can't come off easily.