Police dog Ruca from the Portuguese National Guard sits on a pile of CDs and DVDs at his training camp at a police school in Queluz on the outskirts of Lisbon October 19, 2009. After working in drug detection, the police dog was trained to search for polycarbonate, a plastic used for making CDs and DVDs. Ruca now works in detecting illegal DVDs and CDs in street markets around Portugal. Picture taken October 19, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL ANIMALS CRIME LAW BUSINESS ODDLY IMAGES OF THE DAY)