He was out of control, threatening everyone he met with a lightsaber. We dueled and he lost.

[Maul hadn't been inclined to show any mercy to Anakin after how he'd been acting, brandishing his lightsaber and demanding answers for how to leave Deerington.]

If I tell people that I didn't do it, most won't believe it. You're telling me if I get the one who actually did it to confess, they still won't believe me. I'm not seeing a good solution here that leads to my name being cleared of this murder charge against me.