Testimony of prior bad acts properly excluded as speculative and duplicative; given the circumstances of the assault, self-defense claim would not have been bolstered.
No error in denial of cross on own witness, absent court's finding of adversity.
No error in refusal to admit parts of the police report under prior consistent statements exception where fabrication wasn't alleged until prosecution's closing.
No error in refusal to admit parts of the police report to impeach, as police testimony only referred to deft's actions on the date of the offense, and not prior events.
https://www.ca10.uscourts.gov/opinions/17/17-2104.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.