The evolution of killing from a distance -- An insatiable appetite : rise of the robots -- The machines -- The people -- The missions -- The methods -- How do we kill with RPAs? -- How do we respond to killing remotely? -- Who is the most affected by killing remotely? : the demographics -- Are we at war? -- RPA and the warrior ethos -- Dehumanizing the enemy versus intimacy with the target -- Distance from the target -- Sleep and mental armor -- Demands of authority : everyone's in the cockpit -- Group absolution : killing as a crew -- Target attractiveness -- The video game comparison -- Culture -- A toolbox of best practices -- Where do we go from here? : future killer robots.