Former Massachusetts Governor and Chicago native Deval Patrick will serve as a senior advisor to a newly formed police accountability task force spawned by the alleged murder of a black teenager by a white cop.

The announcement came a week after the officer, Jason Van Dyke, was charged with first-degree murder in the killing of Laquan McDonald, who was shot 16 times.

The task force will review the system of accountability, oversight and training in the police department, according to Chicago police.

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“The shooting of Laquan McDonald requires more than just words,” Mayor Rahm Emanuel said. “It requires that we act; that we take more concrete steps to prevent such abuses in the future, secure the safety and the rights of all Chicagoans, and build stronger bonds of trust between our police and the communities they’re sworn to serve.”

Patrick also served as U.S. assistant attorney general for the Justice Department's Civil Rights Division under former President Bill Clinton.