Parents, siblings, and loved ones are breathing a sigh of relief knowing Mariner High School students are safe. A swatting call, claiming there was an active shooter at the school, came in on Thursday afternoon. According to Cape Coral Police, it was a prank. Officers from across Lee County surrounded the school shortly after 1:00 p.m. According to Cape Coral Police, the caller said six people had been shot at the school. It immediately went into lockdown, 30 minutes before dismissal.