[onion2k]

I'm alright with it, as long as we know the person is a threat to our national security.

As the article illustrates, we don't know the person is a threat to our national security. We'll never know with 100% accuracy. The only available options are to accept occasionally torturing people who are innocent or disagreeing with torture and not using it. Most of the civilised world has agreed that the danger of mistakenly torturing innocent people isn't worth it.