(NEWSER) – The California resort town of Big Bear Lake has had a rough night. Los Angeles police officers have visited more than half the area's homes as they search for ex-cop Christopher Dorner; they're telling locals not to answer their doors unless they're sure who's knocking,ABC News reports. Meanwhile, surveillance aircraft are patrolling the skies and fleets of SUVs are keeping watch on the roads as the town is in lockdown, the Los Angeles Times reports.
