bill burns , 22 , says he built the tunnel to watch TV and barbecue . The 33-foot - long bunker lies under stadium that will host Pan Am games . Its discovery sparked fears of terror attacks , McDonald claimed it was innocent . witnesses found a rosary , crucifix and poppy nailed to one of the entrances . McDonald claims that was a gift from his father after a minor cave - robbery .
Elton McDonald , 22 , says he built the tunnel to watch TV and barbecue . The 33-foot-long bunker lies under stadium that will host Pan Am Games . Its discovery sparked fears of terror plot , McDonald says it was innocent . Police found a rosary , crucifix and poppy nailed to one of the entrances . McDonald claims that was a gift from his sister after a minor cave-in .