Should the government arrest all people who are under surveillance for suspected terrorism (S-files)?

I think yes because it's better to be safe than sorry but this is a difficult question because the government and law enforcers sometimes use this against innocent minorities.

Only if there is strong evidence that they may commit an attack

They need to have proof they are a terrorist first and then shake them down to make sure they're not.

No, only if there is undeniable evidence they are planning an attack

No

Yes