The following excerpt is from U.S. v. Terry, 702 F.2d 299 (2nd Cir. 1983):
9 Since items found in closed containers during a lawful search do not require a separate warrant, United States v. Ross, 456 U.S. 798, 102 S.Ct. 2157, 72 L.Ed.2d 572 (1982), a fortiori, there is no requirement to obtain a warrant to search sealed items that are discarded on a public street for collection.
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