 As Zara pointed out, Esteban didn't have a motive for the crimes. But someone here did. The owner of this key. Matthew found it beside the cannon. But that must be Esteban's. From the bag he stashed by the cannon. It is not mine. This key has given the culprit access to every prop that has been tampered with. And to the fireworks that wound up in the cannon. Let me see that.