Source: MPR News - Link
According to court documents, Turner and a man worked to light a device with the intent of accelerating a fire, then Turner took it into the police station and used it to start a fire. Prosecutors say Wolfe pushed a barrel into a fire at the building’s entrance with the goal of accelerating flames.
Two other men, Bryce Michael Williams Williams and Dylan Shakespeare Robinson, have also pleaded guilty to one count of conspiracy to commit arson. The four men will be sentenced separately in March, April and May.
It’s not clear what their motives were. I suspect they were not antifa or blm, just hooligans.