I wasn't told. It does sound like the hole in the case (and the bass) is evidence for the absence of a security lock. On the other hand, the guy was probably

I wasn't told. It does sound like the hole in the case (and the bass) is evidence for the absence of a security lock. On the other hand, the guy was probably a professional musician, and therefore should have known… Who knows, maybe he doesn't travel much, and made a mistake?