US cop who killed unarmed black man guilty of rights charge

A South Carolina policeman who was filmed shooting an unarmed black man in the back after a traffic stop pleaded guilty Tuesday to unlawful killing while performing official duties, which could bring up to life in prison.The Justice Department said that former North Charleston, South Carolina, police officer Michael Slager, 35, agreed to the single federal charge five months after a jury failed to convict him of murder in the case."The Department of Justice will hold accountable any law enforcem