"William Pratt"@en . "Male"@en . "Mall kiosk employee"@en . . "Institutionalized"@en . . "\"Hashtag\""@en . . . . "Taking selfies of victims' bodies and posting them online"@en . "The Selfie Killer"@en . . "William Pratt, a.k.a. \"The Mirror Man\", is a delusional teenage serial killer and stalker who appeared in Hashtag."@en . . . "3"^^ . "William Pratt"@en . . "1"^^ . "The Mirror Man"@en . "1990.0"^^ . "Shooting with nail-gun"@en . "William Pratt, a.k.a. \"The Mirror Man\", is a delusional teenage serial killer and stalker who appeared in Hashtag."@en . "Unnamed parents"@en . "High school student"@en . . "Unnamed aunt"@en . . . . "Throat slashing"@en . . .