teleSUR (2021-12-19). Threat of 'Nationwide School Shooting' Proves Uncredible. telesurenglish.net Due to the continued incidence of student-perpetrated school shootings around the U.S., school officials nationwide went to heightened alert on Friday in reaction to an unspecified threat of on-campus violence that was proved to be faux by the authority later. | RELATED: | The rumors circulating on social media proclaimed Dec. 17, as the grisly "National School Shooting Day." The Los Angeles Unified School District…