A candlelight vigil at Monument Square to remember Alton Sterling and Philander Castile

Madia Alluding and her granddaughter Danielette Johnson hold candles at city hall in Portland, Maine, during a vigil to remember two black men shot and killed by police in Louisiana and Minnesota, Friday, July 8, 2016. (Photo by Shawn Patrick Ouellette/Portland Press Herald via Getty Images)

Madia Alluding and her granddaughter Danielette Johnson hold candles at city hall in Portland, Maine, during a vigil to remember two black men shot and killed by police in Louisiana and Minnesota, Friday, July 8, 2016. (Photo by Shawn Patrick Ouellette/Portland Press Herald via Getty Images)

PORTLAND, ME – JULY, 8: Madia Alluding of Portland and her granddaughter Danielette Johnson of Westbrook hold candles at city hall in Portland during a vigil to remember two black men shot and killed by police in Louisiana and Minnesota Friday, July 8, 2016. (Photo by Shawn Patrick Ouellette/Portland Press Herald via Getty Images)