Manhattan District Attorney Cyrus R. Vance, Jr., today announced the indictment and arraignment of TYSHAWN BROCKINGTON, 21, and ROBERT CARTAGENA, 20, on charges of Murder in the Second Degree, Burglary in the First Degree, and Criminal Possession of a Weapon in the Second Degree. BROCKINGTON and CARTAGENA are charged with the shooting death of Tayshana Murphy, 18, a Harlem teen and athlete. A third defendant, TERIQUE COLLINS, 24, is charged with providing the gun to the other defendants.