President Obama released a statement on the shooting deaths of Alton Sterling and Philando Castile, calling the callous killings "tragedies" in a lengthy Facebook post.

Castile's family and friends say that he was an upstanding man and was soft-spoken. His mother, Valerie Castile, told CNN that her son was a "laid-back," "good person."

Nakia Jones' passionate reaction to the depraved killing of Alton Sterling has over two million views on Facebook with 144,783 shares. Jones, an officer at the Warrensville Heights Police Department in Ohio, uploaded the live broadcast after watching cell phone footage of Sterling being tackled to the ground by two cops then shot in the chest while he lay restrained.