Five law enforcement officers were killed Thursday in a sniper attack in downtown Dallas as they patrolled a protest against recent police-involved shootings. Here is what we know about the victims who have been identified as Dallas police officers Lorne Ahrens, Michael Krol, Patrick Zamarripa, Michael Smith and Dallas transit officer Brent Thompson.
Former New York City mayor Rudy Giuliani faced immediate online backlash yesterday morning after he asked why people protest the killing of unarmed Ferguson, Missouri, teenager Michael Brown but not black-on-black crime.