The USSS, FBI, Palm Beach PD cannot interview a corpse.
Similarly, the FBI and USSS were unable to debrief the Butler PA would-be assassin because he was dead.
There is much less intelligence value in a cadaver other than exploitation (pocket litter, cell phone, currency, keys, wallet, photos).
This is why it is far better to capture an adversary than kill him.
The Russian police have used non-lethal firearms for years, allowing them to interrogate a suspect after wounding him, like this pistol below.
