It's who you know: How a soldier convicted of murder got Trump to pardon him
https://www.washingtonexaminer.com/news/white-house/its-who-you-know-how-a-soldier-convicted-of-murder-got-trump-to-pardon-him
Michael Behenna - Wikipedia
https://en.wikipedia.org/wiki/Michael_Behenna
Trump’s pardon of US soldier is an endorsement of war crimes, says ACLU
https://www.militarytimes.com/news/your-military/2019/05/07/trumps-pardon-of-us-soldier-is-an-endorsement-of-a-war-crimes-says-aclu/