Attorney General Eric Holder says it's clear that there's a need for ``wholesale change'' in the Ferguson, Missouri, police department.

The Justice Department is investigating the practices of the police department following the Aug. 9 police shooting of an unarmed black 18-year-old.

At a forum in Washington on Wednesday, Holder wouldn't say what the changes should be or how the investigation would turn out.

A government official confirms that there are discussions among Missouri officials about having Ferguson Police Chief Tom Jackson step down as part of efforts to change the department. The official was not authorized to discuss those talks by name and spoke on condition of anonymity.

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