Linda So: Protests throw light on shocking police tactics

A person holds a sign as a Wendy's restaurant burns Saturday, June 13, 2020, in Atlanta after demonstrators set it on fire. Demonstrators were protesting the death of Rayshard Brooks, a black man who was shot and killed by Atlanta police Friday evening following a struggle in the Wendy's drive-thru line. (Ben GrayAtlanta Journal-Constitution via AP)

As police confront protesters across the United States, they’re turning to rubber bullets, pepper spray, tear gas and other weapons meant to minimise fatalities.