https://en.wikipedia.org/wiki/Alternative_pleading
Using multiple logically inconsistent defenses is generally allowed in the US.
Using multiple logically inconsistent defenses is generally allowed in the US.
On the other hand, I've seen a ton of "I didn't do x, and even if I did do X it was acceptable because Y" where Y was the worse crime... that somehow still succeeded as a defense. Thankfully not in a court of law, but public opinion is weird.