Well... this is probably just me being pessimistic. I always seem to come up with the worst case scenario first.

[Alice knows she's gloomy by nature. And there's a good chance she's over thinking this. But since he asked...]

But... a different method is being used for each murder. What if... what if whoever is doing this is trying all these different things for a reason? What if they're trying to come up with a way to kill us permanently?