Many in the community are still reeling from the president’s visit to the Valley on Tuesday, and the mostly peaceful protests outside that ended with tear gas and flash bangs being deployed on the crowd. Phoenix police say a small number of protesters began throwing rocks and tear gas at the officers, instigating a forceful effort to dispel the crowd before things escalated. Many protesters, though, argue the police response to the actions of a few seemed sudden. The ACLU of Arizona is calling on an independent investigation, saying the police failed to protect the First Amendment rights of the protesters. ASU criminology professor Ed Maguire was there at the protests observing with a team of researchers. He studies police tactics at protests and says for the most part, the protests were peaceful, but toward the end things got heated. Check the interview out here: https://kjzz.org/node/524093