From left, Chief Rodney Harrison of the New York Police Department, Cyrus Vance Jr., the Manhattan district attorney, and Commissioner Dermot Shea announce murder charges against a 14-year-old boy in Tessa Majors’s killing in New York on Feb. 15, 2020. A 14-year-old boy has been charged with two counts of second-degree murder and several counts of robbery in the killing of Majors, during a park robbery near her school in December, the authorities said he would be tried as an adult. (Jefferson Siegel/The New York Times)