NEW : The central image on Roberts ' Facebook page was a work by street artist Banksy . A post shared by @banksy_art (@bkartwork) on Oct 24, 2017 at 8:33am PDT He told a friend he left his aunt 's home at age 14 and raised himself . Jacob 'Jake ' Roberts uses edgy , dark humor on his Facebook page .
NEW : The central image on Roberts ' Facebook page was a work by street artist Banksy . The gunman 's mother died at childbirth ; he never met father , a friend says . He told a friend he left his aunt 's home at age 14 and raised himself . Jacob 'Jake ' Roberts uses edgy , dark humor on his Facebook page .