[EternalVigilance]

The question is does the state have the right to stop them.

And, throughout American history, of course the state has the right to prevent the killing of its citizens.

A rather large 'duh' factor there...

[Borges]

Let me rephrase and ask if the state has the right to prevent a citizen from taking their own life. Do you think the state chase around the suicidal and restrain them?