A man accused of a firebomb attack that killed one person and injured a dozen others during a demonstration last year in Boulder , Colorado , in support of Israeli hostages in Gaza was scheduled to plead guilty Thursday to murder and other charges. Mohamed Sabry Soliman faces up to life in prison without the possibility of parole for the attack in downtown Boulder last June 1. Soliman’s attorneys revealed he would plead guilty in a recent court filing in a related federal case. He was set to appear Thursday before state District Judge Nancy Salomone to do so. Soliman has pleaded not guilty in federal court to hate crime charges and prosecutors have been weighing whether to seek the death penalty in the federal case, according to his attorneys.…