The answer is that most major movie theater chains, including AMC, Regal Cinemas, and Cinemark, have basic video surveillance systems in place. However, the extent of their camera coverage varies. For instance, lobby and hallway cameras are more common than those inside individual theaters. Smaller independent cinemas have more flexibility on cameras.
New multiplexes are more likely to have comprehensive camera systems watching lobbies, hallways, auditoriums, screens, exits, and entrances. As video analytics improve, it enables detecting piracy.
Older cinema halls may lack proper security tech unless recently upgraded. However, most theaters do have some cameras in place, even if not installed inside viewing rooms.
Read also: Do Movie Theaters Have Cameras? Insights on Privacy and Security