Federal officers seek to block shooting trial in state court April 23, 2021 FacebookTwitterEmail FILE - From left, Negeen Ghaisar, James Ghaisar, Kelly Ghaisar and Kouros Emami, family of Bijan Ghaisar walk outside federal court in Alexandria, Va., on Friday, March 6, 2020. A federal judge is set to hear arguments on whether Virginia prosecutors can bring manslaughter charges against two U.S. Park Police officers accused of fatally shooting unarmed motorist Bijan Ghaisar, in 2017. A hearing is scheduled Friday, April 23, 2021, in Alexandria.Matthew Barakat/AP ALEXANDRIA, Va. (AP) — A federal judge is scheduled to hear arguments on whether Virginia prosecutors can bring manslaughter charges against two U.S. Park Police officers accused of fatally shooting an unarmed motorist in 2017.