The African giant pouched rat from Tanzania has also found an additional 15 pieces of unexploded ordnance Ronin surpassed previous record holder Magawa, who identified 71 land mines and 38 unexploded ordnance items DAR ES SALAAM, Tanzania At the break of dawn, Ronin’s handler gently sets him down at the edge of a suspected minefield. A lightweight harness, attached to a thin rope, wraps snugly around the rat’s small torso, guiding him methodically across the terrain. With an eager twitch of his