Fulbright v. United States

How later courts describe this case

• “Where a jury returns a general verdict that is potentially based on a theory that was legally impermissible or unconstitutional, the conviction cannot be sustained.”
• "[T]he jury instructions permittedthe jury to choose a basis for conviction that was legally impermissible.... Because we have no way to ascertain the factual basis on which the jury convicted Fullbright, his conviction under Count II cannot stand."
• “[section] 1503 requires the government to prove the existence of a judicial ‘proceeding’ ”
• “[T]he jury instructions per mitted the jury to choose a basis for conviction that was legally impermissible.... Because we have no way to ascertain the factual basis on which the jury convicted Fullbright, his conviction under Count II cannot stand.”