NEW YORK (AP) — Former U.S. Rep. Michael McMahon was elected Tuesday to succeed the district attorney involved in investigating the police chokehold death of Eric Garner, a case that focused attention on how prosecutors handle police brutality allegations. The contest came a year after former District Attorney Daniel Donovan empaneled a grand jury that declined to indict a white police officer in the death of Garner, an unarmed black man. The grand jury's decision propelled debate about police treatment of black men and spurred calls to change the long-secret grand jury process and to refer police brutality allegations to special prosecutors rather than local district attorneys.