The location marks the spot where Brian Douglas Wells blew up from a bomb around his neck.
Brian Douglas Wells (November 15, 1956 – August 28, 2003) was an American pizza delivery man who was killed by a time bomb fastened to his neck, purportedly under coercion from the maker of the bomb. After he was apprehended by the police for robbing a bank, the bomb exploded. The bizarre affair was subject to much attention in the mass media.