Two New York City police officers were shot dead "execution style" in Brooklyn on Saturday. Not much is known about the gunman, who was identified by officials as Ismaaiyl Brinsley, 28, except that he was a suspected gang member from Baltimore who allegedly posted on social media that he wanted revenge for the deaths of Michael Brown and Eric Garner, two black men that died at the hands of police. According to the New York Daily News, Brinsley, who was pronounced dead, had ties to the '"Black Guerilla Family" prison gang, which is also known as "Black Family" or the...