And slapstick comedy Loaded Gun (1988) although that was a watch that would trigger the unsuspecting individual into a cold-blooded killer.

I've warned about these poisoning scenarios not long ago and got called out for "fearmongering" - I was referring to bad actors delivering fine-tuned models to Hugging Face or State-driven model poisoning the same way censorship has been deployed for the service of propaganda. But OP means it's even easier to "trigger the assassin"