Grab them!” “Run!” “Quick!” Last minute instructions echoed all around the underpass but Matthew Clayton didn’t need to be told as he grabbed the most valuable spray cans and dived into the nearest alley. Matthew watched as the local police man, driving a police car and patrolling the area waited for his night shift to end, not noticing or caring about the teenage “criminals” hiding out in the alley not fifty metres away from him. Matthew was equally as una...