Alt-right agitators attended progressive protests that were intended to be peaceful, with the goal of starting violence to besmirch those movements.

Just as it only takes a spark to start a forest fire, it only takes a single rock to start a riot. So there is a long tradition of holding the person who starts riots accountable for their actions just as we hold those who accidentally start wildfires.

The BLM movement was also targeted by people pretending to be supporters yet caught by their identifying white-power prison gang tattoos . These white supremacists were carrying pro-BLM signs and breaking windows at downtown businesses, Stoney said, but were stopped when BLM protesters pointed them out to police.

Some links to document this:

• Mitchell Carlson attended BLM protests, pretending to be BLM supporter but created riots

• Stephen Parshall - arrested - was attending BLM protests to start riots and blame antifa.

• Andrew Lynam: “The defendant associated with the Boogaloo movement; i.e., he referred to himself as a Boogaloo Boi,” ... “corresponded with other Boogaloo groups, especially in California, Denver and Arizona.” and William Loomis: filling gas cans at a parking lot and making Molotov cocktails in glass bottles, prosecutors said in charging documents. and

• Ivan Harrison Hunter A rightwing extremist boasted of driving from Texas to Minneapolis to help set fire to a police precinct during the George Floyd protests, and then later charged with criminal riot and also firing 13 rounds at the Minneapolis Police Building.