It should be taught in school that being a whistleblower requires safety preparation. Make it a woke thing or whatever, because it is something many don't give an afterthought about.
The problem is, from a game theory perspective, things like a dead man's switch may possibly protect you from your enemy but won't protect you from your enemy's enemies who would gain two-fold from your death: your death would be blamed on your enemy, and all the dirty laundry would be aired to the public.
Well I imagine this is a relatively new phenomena in the USA. Usually I hear about these "coincidences" in foreign countries... but here....? Maybe the older HN generation can shed some insight...
It was common where I live. Since the current government (the last 17 years) it doesn't happen anymore. There is no criticism, and people often go to jail for no apparent reason.
By " common " I mean at least one very famous person yearly in a 7 million habitant country. Suicided without antecedents, family either disagreed with the investigation or speak about it.