The lawsuits — one against the government and the other against Trump administration officials — seek unspecified damages for wrongful death, conspiracy and other violations.
Minnesota's lawsuit also demands access to evidence in a third case — that of Julio Cesar Sosa-Celis, who was shot and wounded in his right thigh by a federal agent in January.
Clashes have intensified six days after Good was shot in the head, with protesters confronting officers guarding a federal building serving as the base for the Twin Cities crackdown.
This time, too, the Trump administration and its supporters went to work establishing their own public view of the event before the inevitable imagery appeared.
