The excuse is a little bit weirder than "Bigfoot made me kill him".
https://www.msn.com/en-us/news/crime/oklahoma-man-says-bigfoot-made-him-kill-his-fishing-partner-police-say/ar-AAZtNqV?ocid=entnewsntp&cvid=4bccd964990a4beba6eb664f702725dc
The excuse is really "He was summoning Bigfoot to kill me, so I had to kill him first."
But that wasn't punchy enough for a headline, so...!
And today, Bigfoot released a statement that this guy was way too weird for him to hang with. And to please keep all our Meth Heads out of his forest, it scares the wildlife.