Vulnerable Homeless Men Try To Foil Orange County Killer

Three transients have been stabbed to death since last month. Some are banding together for protection, and police and missions are helping.Cary Singletary is 6-foot-2, an ex-boxer who once worked nightclub security, alternating coffee and water to stay alert through the small hours. Now, encamped on the streets of downtown Santa Ana, he's the unofficial sentry for what he calls "my people," a group of homeless whose wary existence is now shadowed by a new peril: a serial killer.