Collins v. Virginia, No. 10-1027.  From the syllabus:  "Held: The automobile exception [to the Fourth Amendment warrant requirement] does not permit the warrantless entry of a home or its curtilage in order to search a vehicle therein."  Opinion by Justice Sotomayor (8-1).  Dissent by Justice Alito.

Justice Thomas concurs in the Fourth Amendment holding but doubts the validity of the rule, invented in Mapp v. Ohio (1961), that the U.S. Constitution requires exclusion of illegally seized evidence in a state case.  But that is not the question presented, so reexamination of Mapp must wait for another day.

City of Hays v. Vogt, No. 16-1495:  The Court dropped the case.  Technically, "The writ of certiorari is dismissed as improvidently granted."  Update:  Rory Little has this analysis at SCOTUSblog.

Lagos v. United States, No. 16-1519:  This case involves the provision of the Mandatory Victims Restitution Act of 1996 regarding reimbursement for "expenses incurred during participation in the investigation or prosecution of the offense or attendance at proceedings related to the offense."  "Held:  1. The words 'investigation' and 'proceedings' in subsection (b)(4)of the Mandatory Victims Restitution Act are limited to government investigations and criminal proceedings and do not include private investigations and civil or bankruptcy proceedings."  Unanimous opinion by Justice Breyer.

Next likely day for opinions is June 4.