When possessed Sophie opens her computer's tower/chassis, the "described video" audio track's narration incorrectly says it's a modem that she opened.
(if multiple versions exist, this was true on 27-11-2024 for Crave.ca streaming service)
When Locke shoots 2nd officer at close range (less than 2' away), his gun is pointed at their face as it fires but the blood splatter erupts from the abdomen instead.