John Campbell, Jr. v. Michael v. Fair, Commissioner of Correction

TORRUELLA, Circuit Judge.

We review here the district court’s denial of Campbell, Keigney and Doherty’s petitions for writs of habeas corpus. They argue before us that their constitutional rights were violated because the prosecution in state courts knowingly relied on perjured testimony and failed to disclose impeaching testimony. Doherty also claims the evidence was insufficient to sustain his conviction.

Campbell, Keigney and Doherty, all inmates of MCI-Walpole, were indicted on February 3, 1977, in Norfolk County, Massachusetts, for the murder of Robert Per-rotta, who also was an inmate at…