At least 3 men accused of making threats during or after watching the new Batman movie have been arrested in separate incidents, underscoring moviegoers' anxieties and heightened security in the wake of a deadly mass shooting at a Colorado theater showing the film. … Timothy Courtois of Biddeford, Maine, had been stopped for speeding, and a police search of his car found an AK-47 assault weapon, four handguns, ammunition and news clippings about the mass shooting that left 12 people dead early Friday, authorities said. … Los Angeles County sheriff's deputies were called to a cinema complex in Norwalk after...