Bogan v. City of Chicago

Does the "basic principle of Fourth Amendment law" that searches and seizures inside a home without a warrant are presumptively unreasonable," recently reaffirmed in Kentucky v. King (2011), apply to civil damage actions brought under 42 U.S.C. § 1983 to place on defendant police officers the burden of persuading the finder of fact that their warrantless search of a dwelling was justified by exigent circumstances?