The Army has trained this soldier to Rape, Pillage, and Burn, and the soldier has learned very well. But now the war is over, and the soldier comes home--but he hasn't changed: he's still the brutal monster the army wanted. Only now, he's attacking his own people. Can lead to Unfortunate Implications, when it seems EVERY veteran is a killer, or at least severely maladjusted. This was particularly common for depictions of Vietnam veterans, as well as those from the Gulf War. Can be related to Post Traumatic Stress Disorder, although it probably shouldn't be. Up for Grabs
- In one episode of Ghost in the Shell: Stand Alone Complex, Bateau is tracking down a former American GI he served with who's become a serial killer who kills his victims in the same manner he was ordered to do to civillians in the war (leaving everyone worried about the effect this might have on Bateau). Bateau informs him his "war ended long ago" and arrests him instead of killing him. Then calls out the CIA agents who were hoping he would.
- IIRC, a lot of the villains in Rurouni Kenshin. There was one in particular, Udo Jin-e, who became a murderer because he was addicted to the slaughter of the revolution.
- John Rambo in First Blood
- In the Star Trek: The Next Generation episode, The Hunted, Roga Danar.
- In Mother Courage and Her Children, her son Eilif is congratulated for his bravery in war but is arrested and executed during a time of peace.
Hello, Unknown Troper. You'll need to get known to lend a hand here.