Cuevas-Mendoza v. United States

holding that pre-hear-ing notice that the Parole Commission could apply an earlier conviction against the probationer to deny him credit for “street time” was not required because a federal statute mandated the denial of credit | upholding state court judgment that exigent circumstances did not exist in case where, inter alia, the police cars had surrounded the house and it was afternoon | accepting the District Court’s determinations that officers’ decision to “void” airline tickets delivered during a controlled buy to prevent public dissemination was “reasonable,” before concluding that exigent circumstances justifying a warrantless entry were present | warrantless search justified by exigent circumstances of preventing destruction of evidence and protecting the undercover operation | likelihood of destruction of evidence and imminent danger to law officers or other persons