Minnesota v. Olson

The police in this case made a warrantless, nonconsensual entry into a house where respondent Robert Olson was an overnight guest and arrested him. The issue is whether the arrest violated Olson’s Fourth Amendment rights. We hold that it did.

I

Shortly before 6 a.m. on Saturday, July 18, 1987, a lone gunman robbed an Amoco gasoline station in Minneapolis, Minnesota, and fatally shot the station manager. A police officer heard the police dispatcher report and suspected Joseph Ecker. The officer and his partner drove immediately to Ecker’s home, arriving at about the same time that an Oldsmobile…