Re: Fire and forget ...?
He would have to somehow buy the drone and prep it without getting any DNA on it or in it, even a single flake of skin dust, as you can be sure the authorities will dissemble and test every bit of it if they ever find
Attacker's threat model may say DNA recovery isn't a problem because (eg) their DNA isn't on the database in the first place, or they have reasonably good grounds to think they'll never get arrested and swabbed, or they don't care if they ARE positively made, eg they're planning to be back home in another country by that time.
Biting the hand that feeds IT
