Breaking Down the Federal Investigations into Brown and Garner

A grand jury in Staten Island, New York, refused to indict the white police officer who used the chokehold on Eric Garner. But U.S. Attorney General Eric Holder announced that there will be a federal civil rights investigation into the incident, which led to Garner’s death. The Justice Department also launched a civil rights probe into the death of Michael Brown in Ferguson, Missouri; a civil rights investigation into the shooting death of Trayvon Martin in Florida, two years ago, is ongoing. What’s likely to come of these investigations?