Well why didn't this stop the killer...
The Grand Theatres are private property. If you fail or refuse to follow this Code of Conduct, you will be asked to leave the theatre, and may be banned from all The Grand Theatres. If you fail or refuse to leave when requested to do so, you will be arrested and prosecuted for criminal trespassing.
OUR THEATRE PROHIBITS
• Outside food or drink
• Smoking including e-cigarettes
• Possession of firearms or weapons of any kind regardless of whether openly or concealed, with or without a permit