(CNN) As Virginia Beach mourns 12 people gunned down in a shooting rampage, more questions remain on why a veteran city engineer targeted people he'd worked with for years. The mass shooting and the targetA man with a bloodied shirt outside the municipal building in Virginia Beach. The victims and their conditionsMembers of Mount Olive Baptist Church pray near a municipal building in Virginia Beach. Joshua O. Hardy, an engineering technician for four and a half years in the public utilities department was also killed, as was Ryan Keith Cox, an account clerk, who had spent 12½ years in the public utilities department. What we don't know: Why their workplace was targeted.

Source: CNN June 02, 2019 10:30 UTC