Police officers point their weapons at demonstrators protesting against the shooting death of Michael Brown in Ferguson, Missouri
Police officers point their weapons at demonstrators protesting against the shooting death of Michael Brown in Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters on Monday after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman. REUTERS/Joshua Lott (UNITED STATES - Tags: CRIME LAW CIVIL UNREST TPX IMAGES OF THE DAY)
Police officers react to the movements of a rowdy group of demonstrators during protests in reaction to the shooting of Michael Brown near Ferguson, Missouri
Police officers react to the movements of a rowdy group of demonstrators during protests in reaction to the shooting of Michael Brown near Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters in Ferguson, Missouri on Monday, after days of unrest sparked by the fatal shooting of an unarmed black teenager by a white policeman. REUTERS/Lucas Jackson (UNITED STATES - Tags: CIVIL UNREST CRIME LAW SOCIETY)
Police officers react to the movements of a rowdy group of demonstrators during protests in reaction to the shooting of Michael Brown near Ferguson, Missouri
Police officers react to the movements of a rowdy group of demonstrators during protests in reaction to the shooting of Michael Brown near Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters in Ferguson, Missouri on Monday, after days of unrest sparked by the fatal shooting of an unarmed black teenager by a white policeman. REUTERS/Lucas Jackson (UNITED STATES - Tags: CIVIL UNREST CRIME LAW SOCIETY)
Police detain a demonstrator during a protest against the shooting death of Michael Brown in Ferguson
Police detain a demonstrator during a protest against the shooting death of Michael Brown in Ferguson Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters on Monday after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman. REUTERS/Joshua Lott (UNITED STATES - Tags: CRIME LAW CIVIL UNREST)
A group of rowdy demonstrators chant during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri
A group of rowdy demonstrators yell as they chant "no justice, no peace" during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters in Ferguson, Missouri on Monday, after days of unrest sparked by the fatal shooting of an unarmed black teenager by a white policeman. REUTERS/Lucas Jackson (UNITED STATES - Tags: CIVIL UNREST CRIME LAW SOCIETY)
Police detain a demonstrator during a protest against the shooting death of Michael Brown in Ferguson
Police detain a demonstrator during a protest against the shooting death of Michael Brown in Ferguson Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters on Monday after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman. REUTERS/Joshua Lott (UNITED STATES - Tags: CRIME LAW CIVIL UNREST)
A line of police officers yells at a crowd of rowdy demonstrators during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri
A line of police officers yells at a crowd of rowdy demonstrators during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters in Ferguson, Missouri on Monday, after days of unrest sparked by the fatal shooting of an unarmed black teenager by a white policeman. REUTERS/Lucas Jackson (UNITED STATES - Tags: CIVIL UNREST CRIME LAW SOCIETY)
A police sharpshooter looks through his rifle as police monitor a group of rowdy demonstrators during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri
A police sharpshooter looks through his rifle as police monitor a group of rowdy demonstrators during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters in Ferguson, Missouri on Monday, after days of unrest sparked by the fatal shooting of an unarmed black teenager by a white policeman. REUTERS/Lucas Jackson (UNITED STATES - Tags: CIVIL UNREST CRIME LAW SOCIETY)
Demonstrators put their hands in the air during a protest against the shooting death of Michael Brown in Ferguson
Demonstrators put their hands in the air during a protest against the shooting death of Michael Brown, as police officers (unseen) point their weapons at them in Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters on Monday after days of unrest sparked by the fatal shooting of unarmed black teenager Michael Brown by a white policeman. REUTERS/Joshua Lott (UNITED STATES - Tags: CRIME LAW CIVIL UNREST)
Demonstrators look on at a fog of tear gas hovering over West Florissant during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri
Demonstrators look on at a fog of tear gas hovering over West Florissant during further protests in reaction to the shooting of Michael Brown near Ferguson, Missouri August 18, 2014. Police fired tear gas and stun grenades at protesters in Ferguson, Missouri on Monday, after days of unrest sparked by the fatal shooting of an unarmed black teenager by a white policeman. REUTERS/Lucas Jackson (UNITED STATES - Tags: CIVIL UNREST CRIME LAW SOCIETY)