An 18-year-old Passaic man was arrested on charges of making false reports of a mall shooting and a knife-wielding man at his former high school in Bergen County, police said Monday. Alex Barrales faces two counts of creating a false public alarm for the two reports both on May 13, according to authorities. Barralesk, a former student at Windsor Preparatory High School in Paramus, is accused of making a report that a person was being threatened with a knife at the school, police said. While officers determined that 911 call was false, police soon received a report of a shooting at the Westfiel…