/collectors. The Art Loss Register database holds numerous is losses looted from public and private collections between 1933 and 1945 and additional missing artworks for free. (Schillingford)Art theft is a crime on the rise, but with the use of these foundations and the methods that are being used by museum security managers it is slowing declining. Art theft is something that because of system and human flaws will never be successfully prevented. It can however, be something that is so hard to do that a lack of interest will remain. The only way to successfully prevent art theft is to not own any at all....