Hugo Black,
Perez v. Ledesma — Opinion of the Court
“ In Stefanelli we affirmed the refusal of a federal district court to suppress the use in a pending state proscution of evidence that the petitioners alleged had been obtained in an unlawful search. Our ruling there is clearly applicable to the facts before us:'We hold that the federal courts should refuse to intervene in State criminal proceedins to suppress the use of evidence even when claimed to have been secured by unlawful search and seizure.' 342 U.S., at 120, 72 S.Ct., at 120, 96 L.Ed. 138. ”
