A Philadelphia gunman charged with killing five people over the Fourth of July weekend left Disturbing messages on social media before carrying out one of several US mass shootings that marred the holiday break, authorities said on Wednesday.
In addition to the five deaths, two children were wounded in the attack, one of a rash of mass shootings over the holiday weekend in a country where gun violence has become nearly commonplace.
Some 16 mass shootings took place across the US from Friday ev... [see source for more information]