Lucky the cop didn't think it's an IED
When Dieter Döpfer, founder and CEO of Doepfer GmbH, attended the NAMM with his company and several cases of modular synthesizers, he was held up for hours at the airport and had a hard time explaining those strange devices were infact not suitable for controlling nukes and could make scary noises at worst. It was the early 2000s...Lucky the cop didn't think it's an IED
I can almost hear the evil emperor Palpatine intone: "feel the dyslexia... "
It could be worse, they could have a passenger scrolling through videos within their line of sight