Fourth Amendment
State v. Bernard
Held that the Fourth Amendment does not prohibit Minnesota from criminalizing refusal to submit to a breath test when circumstances establish a basis for the officer to have obtained a warrant for a nonconsensual test.
State v. Lester
Applied the automobile exception to the warrant requirement in Minnesota, holding that police may search a vehicle and its closed containers without a warrant when they have probable cause to believe the search will reveal evidence or contraband.