Tears stream down the face of a woman during a candlelight vigil at the site where Eric Garner died in July last year after being put in a chokehold, during a Martin Luther King Day service in the Staten Island borough of New York January 19, 2015. Tributes to civil rights leader Martin Luther King Jr. were held nationwide on Monday as protests over the treatment of minorities by law enforcement rolled on across the country. [Photo/Agencies]