The federal judge spoke out for the first time about the fatal shooting at her home in New Jersey in an emotional video.
Roy Den Hollander's profile as an educated white man blinded the media to the danger of his extreme views.
The U.S. Marshals Service said it needs help assessing when to employ "scarce protective resources" to keep federal judges like Esther Salas safe.
A suspect has reportedly died by suicide following the shooting at Judge Esther Salas' home in New Jersey.