Parsons v. United States

How later courts describe this case

• federal courts may in the interests of justice and expedition accept waiver of exhaustion by the state
• to show withdrawal, defendant must demonstrate that he took affirmative acts inconsistent with the object of the conspiracy and communicated this in a manner reasonably calculated to reach his or her coconspirators
• negligent misstatements in an affidavit for a search warrant do not render the warrant invalid
• counsel’s objections or failures to object to admissions or statements of defendant covered by cause and prejudice standard
• lack of knowledge of facts or law by counsel would be sufficient cause for failure to make objection within the “cause and prejudice” test of Francis v. Henderson, 425 U.S. 536, 96 S.Ct. 1708, 48 L.Ed.2d 149 (1976
• exhaustion waiva-ble when interests of justice and expedition so require
• post crime conduct including flight, concealment and intimidation of a witness admissible