NEW : `` Make a statement , but make it in peace , '' says Garner mother . Protesters gather across U.S. , other New York cities . Eric Garner 's , an unarmed black man , died after a white police officer put him in a chokehold . In both Ferguson and New York , mostly African-American protesters took to the streets for weeks after both men died to decry police violence . A grand jury decided not to indict the officer ; Lynch Holder announces an investigation .
NEW : `` Make a statement , but make it in peace , '' says Garner mother . Protesters gather across U.S. , other New York cities . Eric Garner 's , an unarmed black man , died after a white police officer put him in a chokehold . A grand jury decided not to indict the officer ; Lynch Holder announces an investigation .