CNN can not confirm that the recorded voice is Lanza 's , but if it is his , it could provide previously unknown insight into the mind of the 20-year-old , who killed 26 people at the Newtown , Connecticut , school before killing himself as police closed in . `` This is ( him ) saying , 'Hey listen , there is going to be another shooting , there is going to be another outbreak of violence , ' '' NEW : Expert The new version of the game is now available for download on Steam. NEW : Radio show host says the idea he may have talked to a mass killer is `` chilling '' Adam Lanza may have called a radio show in 2011 , N.Y. Daily News reports . The caller talked about a chimp 's attack on a human , `` random acts '' of human violence .
NEW : Expert The new version of the game is now available for download on Steam. NEW : Radio show host says the idea he may have talked to a mass killer is `` chilling '' Adam Lanza may have called a radio show in 2011 , N.Y. Daily News reports . The caller talked about a chimp 's attack on a human , `` random acts '' of human violence .