Affirmed a brother's and sister's convictions and life sentences for conspiracy to commit interstate stalking and cyberstalking resulting in death. The two siblings were indicted after their father shot and killed the brother's ex-wife and himself. On appeal, the siblings both disputed the constitutionality of the statutes under which they were convicted and also brought numerous other challenges to their convictions and sentences. However, the Third Circuit affirmed the district court's decision in all respects, in a case that the appellate panel said involved numerous issues of first impression.