A 16-year-old Bronx boy has been arrested and charged with the murder of a 31-year-old man. Police found 31-year-old Luis Aguayo at the corner of East 151 Street and Prospect Avenue back in March with stab wounds in his torso. Emergency Medical Services took him to Lincoln Hospital, where he was pronounced dead. Police say Sergio Hernandez, 16, has been charged with his murder.