An Alaska man has been indicted on charges he sent racist and violent threats against the six Supreme Court justices and their family members.

Federal prosecutors in Anchorage are asking a judge to keep Panos Anastasiou, 76, locked up pending trial because of the graphic threats, which they say increased after FBI agents questioned him about the messages he’d been sending through the Supreme Court’s website.

He’s been charged with threatening to assault, kidnap and murder the six justices, as…