Demarest v. United States

granting only qualified immunity to state probation officer who initiated probation revocation proceedings | “it is clear that the Commission’s action in the present circumstances does not conflict with that [the antidiscrimination] underlying purpose” | probation officer entitled to only qualified immunity for mistakenly causing arrest for probation violation, acting without court direction and at a phase of the criminal process less intimately associated with the judiciary | only qualified immunity protects probation officer who mistakenly causes arrest and incarceration of probationer | qualified immunity for probation officer’s filing false violation report with parole commission