The Reverend Traci D. Blackmon stated the following in a recent interview for National Public Radio:
when the young people went to the street in Ferguson and encountered military tanks and snipers and police in riot gear, that's not customary for the St. Louis area.
It was because the young people were tweeting and streaming what was happening in Ferguson that young people in Palestine began tweeting and streaming back, and they were sharing, when police make this gesture, this is what it means. Next, they were going to use tear gas, and this is what you're going to need to protect your eyes and your skin from tear gas.
They were able to do that because they recognized those hand signals and gestures from the Israeli military. And then that is when we found out that many of our police forces were going to train with the Israeli military.
In trying to research this I did find that a St. Louis police chief received training from Israelis in 2011 and that thousands of other US police have as well.
What I'm asking for here is any detail or evidence to support the statements in bold specifically. Are these tweets or posts documented, and what were the specific "hand signals and gestures" that Palestinians recognized? In a book for which Blackmon wrote a forward, minister and activist Elle Dowd also states that people "were making homemade gas masks from instructions tweeted to us from Palestine" but does not provide details nor mention the gestures or signals used by police.