On Monday afternoon, four people were killed in a workplace shooting in Half Moon Bay, California. The suspect, 66-year-old Chunli Zhao, was an employee of the business and had legal possession of a semi-automatic weapon. The motive for the shooting remains unknown, and the San Mateo County Sheriff’s Office is asking anyone with information to come forward. The Half Moon Bay community is in shock and mourning, and local officials are urging people to come together in this difficult time.