DETROIT (AP) – A white muralist from Miami is expressing his support for the “Black Lives Matter” movement one word at a time on a Detroit art gallery exterior wall.

Renda Writer tells The Associated Press Friday that when the commissioned project is completed the phrase will have been written thousands of times.

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Writer started Monday behind the N’Namdi gallery, north of downtown, and says he is using art “to raise awareness to the disproportionate numbers of blacks being killed by police.”

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“Black Lives Matter” as a slogan surfaced after the 2012 slaying of 17-year-old Trayvon Martin in Florida. It became more of a cause following the fatal shooting of 18-year-old Michael Brown by a white police officer in Ferguson, Missouri.

Some law enforcement agencies leaders said the movement instigates violence against police.

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