The US did commit various war crimes in about every of their foreign engagements. Those had to be leaked of course and weren't reported by some self-correction built into the system.
The US uses false narratives like "national security" to justify unjustifiable actions regularly. See their economic sanctions, Huawei, etc. pp.
The list goes on of course. Now, the one thing clearly better about the US is, people being able to talk about it. But that only has meaning if it is done and actually leads to changes. Else it is only another layer of deception.