David Simon and others have written extensively for decades about the problems with the Baltimore Police Department, and other departments around the country. They trace these problems back to the war on drugs and other purely American factors.
The Amnesty article that you're citing is a post hoc ergo propter hoc fallacy. The Baltimore Police Department did not need to learn about constitutional violations from the Israelis.
Yep. But the War on Drugs has been around much longer and is more relevant to people's day to day lives. And people buy into it. I hear this all the time "Sure, weed should be legal, and cocaine too because I like to party now and then, but the 'hard stuff' should definitely be illegal because its dangerous".
To make matters worse -- people think that those who advocate against it are doing so because they want to do drugs (and some may) but it's a civil liberties issue and is the foundation for the militarization of the police.
That checks out. Although the history of "Warrior Policing" in the US predates this (going back to the 60s) and extends far beyond IDF training programs:
The Amnesty article that you're citing is a post hoc ergo propter hoc fallacy. The Baltimore Police Department did not need to learn about constitutional violations from the Israelis.