The Walmart gunman who massacred six people inside a Virginia store where he worked had a manifesto on his phone - in which he revealed how he was upset about a change in his employment status. Police revealed that gunman Andre Bing's deadly manifesto, which has not yet been made public, contained claims that his co-workers at the supercenter in Sam's Circuit, Chesapeake, were harassing him. One of Bing's neighbors has also described the moment the gunman left for his rampage in silence - with victims' friends revealing to DailyMail.com that he would regularly have arguments over ‘working weekends’ with...