Performance art for the interWeb live streams.
It would be a shame if they had spotty cell phone coverage while in Minneapolis.
Don't give them the confrontation they want. Let them show up to a battle without an enemy to fight. Let them fight the roar of chirping crickets at their Spinal Tap social justice battle.
Also, when they demand to enter an ICE detention facility, let them in, and give them a tour of an empty building. Let them have an Al Capone's Vault moment to bask in.
Maybe bugout of Minneapolis for the MLK, Jr, Holiday weekend so there is nothing for them to see. Let them go back to DC, empty-handed, with their tails between their legs.