Technically, even with Obliviate, you still can’t tell if someone’s lying, unless you’re able to make someone forget how to use Occlumency.
Even if you could tell—Voldemort was Obliviated while knocked out and then transfigured before having the chance to wake up, so there never was an opportunity to verify that the Obliviation worked.
Technically, even with Obliviate, you still can’t tell if someone’s lying, unless you’re able to make someone forget how to use Occlumency.
Even if you could tell—Voldemort was Obliviated while knocked out and then transfigured before having the chance to wake up, so there never was an opportunity to verify that the Obliviation worked.