After sleeping with a Glock-17 semiautomatic pistol under his pillow for two years, accused Half Moon Bay mass killer Chunli Zhao told investigators he was set into a rage after a mushroom farm supervisor demanded he pay $100 over a work accident that he insisted wasn’t his fault, sources with direct knowledge of the matter told NBC Bay Area’s Investigative Unit.
Zhao, 66, is being held on murder charges for the deaths of seven farm workers and attempted murder of an eighth worker.
The case being developed by investigators suggests that Zhao methodically hunted down and executed coworkers that he had held long grudges against. Sources say Zhao recalled
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