FACTBOX-U.S. police officers who kill unarmed black men often avoid criminal liability

A New York City policeman became the latest example of a law enforcement officer to face no criminal liability for killing an unarmed black man when the U.S. Department of Justice said on Tuesday it would not prosecute him in the July 17, 2014 killing of Eric Garner with a prohibited chokehold.Garner, 43, died after Daniel Pantaleo, a white police officer, used a chokehold as police attempted to arrest him on suspicion of selling loose, untaxed cigarettes on a sidewalk.The following are outcomes