There are also many more unsolved rights issues dating back decades.
Why didn't I think about that?" And yet, these problems right now remain unsolved.
According to the Committee to Protect Journalists' 2014 Global Impunity Index, Mexico ranks seventh among places where murders of journalists are likely to remain unsolved, right behind Afghanistan.
The case is on a list of unsolved civil rights murders the F.B.I. released in February 2007, the day Mr. Nelson first heard of the story.
Several experts have argued that the Justice Department could take up the case under the Emmett Till Unsolved Civil Rights Crime Act of 2007, but the department, without elaborating, said the crime did not fit the parameters of that act.
After he wrote his first article on the subject in 2007, in which he revealed that the owner of the shoe shop was on the F.B.I.'s list of unsolved civil rights murders, Ms. Williams called.
As an example, Mr. Coburn points to one measure Democrats included in the catchall legislation: opening a cold-case unit at the Justice Department to investigate unsolved civil rights cases that occurred before 1970.
MEXICO CITY (Reuters) — Mexico has rearrested a man accused of ordering the killings of 45 Indians in the southern state of Chiapas, a massacre that shocked the country 10 years ago and which rights groups say remains unsolved.
Last month the Senate passed the Emmett Till Unsolved Civil Rights Crime Act, which gives a total of $13.5 million annually to the Department of Justice, the F.B.I. and state and local law enforcement agencies to investigate and prosecute pre-1970 killings.
That effort became a mandate two years later when Congress passed the Emmett Till Unsolved Civil Rights Crime Act, named after the 14-year-old black boy who was tortured and killed in Mississippi in 1955, for supposedly flirting with a white woman.
