True (probably). The more troubling evidence includes the fact that he acted like he thought Harry would accept his first explanation, and that we saw him Obliviate Bellatrix without ordering her to forget. Plus, Quirrell uses the phrase “stunning hexes”, but those don’t prevent breathing (unless that really was “her last breath escaping” in chapter 33).
True (probably). The more troubling evidence includes the fact that he acted like he thought Harry would accept his first explanation, and that we saw him Obliviate Bellatrix without ordering her to forget. Plus, Quirrell uses the phrase “stunning hexes”, but those don’t prevent breathing (unless that really was “her last breath escaping” in chapter 33).