Loretta Lynch, who is seeking to become the first Black female in the esteemed position, promised a fresh relationship with law enforcement and with Congress.
Milwaukee Sheriff David Clarke says Al Sharpton, President Obama and Attorney General Eric Holder "owe" Darren Wilson.
Darren Wilson is not expected to be charged with violating Michael Brown's civil rights.
The attorney general says the data would protect both police and civil liberties.
More than 40 world leaders participated in the anti-terror march.
Some high-profile deaths have prompted the community to act. (12/23/2014)