John Fox : When he was unable to win back his job , murder became , as a manifesto attributed to Dorner put it , `` a necessary evil '' for him to prevail in the face of racism and injustice . LA rampage case is typical of mass murders ; like most , planned , methodical . He says mass killers tend to be aggrieved middle - aged men , trying to gain ' power ' He says in # ##ville , some killed were not actual murders , but cases of ' murder by proxy ' Fox : Assailant usually thrilled at attention , satisfaction of ' payback '
John Fox : LA rampage case is typical of mass murders ; like most , planned , methodical . He says mass killers tend to be aggrieved middle - aged men , trying to gain ' power ' He says in # ##ville , some killed were not actual murders , but cases of ' murder by proxy ' Fox : Assailant usually thrilled at attention , satisfaction of ' payback '