A protester holds a sign aloft in front of police officers before a midnight curfew in Ferguson

A protester holds a sign aloft in front of police officers before a midnight curfew meant to stem ongoing demonstrations in reaction to the shooting of Michael Brown takes effect in Ferguson, Missouri August 16, 2014. Hundreds of demonstrators in Ferguson, Missouri, angry at the shooting death of Brown, a black teenager, by a white police officer, took to the streets in the rain on Saturday night ahead of the planned curfew called for by the state’s governor. Picture taken August 16, 2014. REUTERS/Lucas Jackson (UNITED STATES – Tags: CIVIL UNREST CRIME LAW)