Matinee does not activate Trigger Events?

I have a matinee camera event that starts when you play. I have trigger box that activates a scream sound cue. It works fine outside of matinee but when the game is in matinee camera, as the camera past by the triggerbox that triggers the scream sound, nothing happens (no sound at all), but when the matinee camera animation finishes and lets me play the level as a character, it activates if I walk over the trigger box. How do I make the matinee activate triggersbox events as it touches any triggerboxes?

Here’s some screenshots to help visualize the problem:

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