One of the strangest rampages in South Beach history -- which is saying something -- ended last Wednesday with police shooting and killing the suspect in North Miami-Dade.Who Is This Guy?Miami Beach Police ID'd the suspect as Oswain Brentall Walcott, a 22-year-old wanted in Georgia for breaking into a restaurant. When officers approached him in South Beach to question him in connection with the slaying of 18-year-old Paul Bradley -- a movie theater employee found dead near 10th Street and Lenox
