No offence, but I think that there's a HUGE difference between a soldier and a serial killer.
Your not really going down that road are you? Never heard of like "war crimes trials"? OK, on the odd case that you have not read real history let me give you some fine examples of soldiers as serial killers.
Lets start with the obvious
* Germany:
o Bergen-Belsen
o Börgermoor
o Buchenwald ( 174 subcamps and external kommandos)
o Dachau (123 subcamps and external kommandos)
o Dieburg
o Esterwegen
o Flossenburg (94 subcamps and external kommandos)
o Gundelsheim
o Neuengamme (96 subcamps and external kommandos)
o Papenburg
o Ravensbruck
o Sachsenhausen
o Sachsenburg
* Austria:
o Mauthausen (49 subcamps and external kommandos)
* Belgium:
o Breendonck
* Czechoslovakia:
o Theresienstadt
* Estonia:
o Klooga
o Vivara
* Finland:
o Kangasjarvi
o Koveri
* France:
o Argeles
o Brens
o Drancy
o Gurs
o Les Milles
o Le Vernet
o Natzweiler-Struthof (70 camps satellites et kommandos)
o Noé
o Récébédou
o Rieucros
o Rivesaltes
o Suresnes
o Thill
Work camps created by the Government of Vichy in Maroco and Algeria. Thousands of Jews were sent to these camps by the French pro-nazi government of Petain:
o Abadla
o Ain el Ourak
o Bechar
o Berguent
o Bogari
o Bouarfa
o Djelfa
o Kenadsa
o Meridja
o Missour
o Tendrara
* Great Britain (*Note: Alderney in the Channel Islands was the only place in the British Isles where German concentration camps were established. In January 1942, the occupying German forces established four camps, called Helgoland, Norderney, Borkum and Sylt.)
o Aurigny
* Holland:
o Amersfoort
o Ommen
o Vught
+ Arnhem
+ Breda
+ Eindhoven
+ Gilze-Rijen
+ 's Gravenhage (The Hague)
+ Haaren par Tilburg
+ Leeuwarden
+ Moerdijk
+ Rozendaal
+ Sint Michielsgestel
+ Valkenburg par Leiden
+ Venlo (Luftwaffe airfield)
o Westerbork (transit camp)
* Italy:
o Bolzano
o Fossoli
o Risiera di San Sabba
* Latvia:
o Riga
o Riga-Kaiserwald
o Dundaga
o Eleje-Meitenes
o Jungfernhof
o Lenta
o Spilwe
* Lithuania:
o Kaunas
o Aleksotaskowno
o Palemonas
o Pravieniskès
o Volary
* Norway:
o Baerum
o Berg
o Bredtvet
o Falstadt
o Tromsdalen
o Ulven
* Poland:
o Auschwitz-Birkenau - Oswiecim-Brzezinka (extermination camp - 51 subcamps and external kommandos)
o Belzec (extermination camp - 1 subcamp)
o Bierznow
o Biesiadka
o Dzierzazna & Litzmannstadt (These two camps were "Jugenverwahrlage", children camps. Hundreds of children and teenagers considered as not good enough to be "Germanized" were transfered to these places - see our article about the The "Lebensborn " — and later sent to the extermination canters)
o Gross-Rosen - Rogoznica (77 subcamps and external kommandos)
o Huta-Komarowska
o Janowska
o Krakow
o Kulmhof - Chelmno (extermination camp - no sub-camp known)
o Lublin (prison - no subcamp known)
o Lwow (Lemberg)
+ Czwartaki
+ Lemberg
o Maidanek (extermination camp - 3 subcamps)
o Mielec
o Pawiak (prison - no subcamp known)
o Plaszow (work camp but became later subcamp of Maidanek)
o Poniatowa
o Pustkow (work camp - no subcamp known)
o Radogosz (prison - no subcamp known)
o Radom
o Schmolz
o Schokken
o Sobibor (extermination camp - no subcamp known)
o Stutthof - Sztutowo (40 subcamps and external kommandos)
o Treblinka (extermination camp - no subcamp known)
o Wieliczka
o Zabiwoko (work camp - no subcamp known)
o Zakopane
* Russia: (The real number of concentration and extermination camps established in occupied Soviet Union by the Nazies is unknown. The following list contains the name of the major camps. Some of these camps were under Romanian control; e.g. Akmétchetka or Bogdanovka where 54,000 were executed between December 21th and December 31th, 1941)
o Akmétchetka
o Balanowka
o Bar
o Bisjumujsje
o Bogdanovka
o "Citadelle" (The real name of this camp is unknown. The camp was located near Lvov. Thousands of Russians POW were killed in this camp)
o Czwartaki
o Daugavpils
o Domanievka
o Edineti
o Kielbasin (or Kelbassino)
o Khorol
o Lemberg
o Mezjapark
o Ponary
o Rawa-Russkaja
o Salapils
o Strazdumujsje
o Yanowski
o Vertugen
(for all these camps, no subcamp known).
* Yugoslavia:
o Banjica
o Brocice
o Chabatz
o Danica
o Dakovo
o Gornja reka
o Gradiska
o Jadovno
o Jasenovac
o Jastrebarsko
o Kragujevac
o Krapje
o Kruscica
o Lepoglava
o Loborgrad
o Sajmite
o Sisak
o Slano
o Slavonska-Pozega
o Stara-Gradiska
o Tasmajdan
o Zemun
That's only one army in one god damn war. Though they were good at it. But not near as good as we were, were they?
But sure, lets go on.
My Lai
Son My
Matter of fact, the entire US strategy in Vietnam was pretty much a serial killing.
The British, and later American Armies distributing blankets to the natives with smallpox on them.
Everything Spain did in Central and South America.
In fact, between the armies of Spain, England and the United States the number of indigenous people destroyed is in the MILLIONS. MILLIONS, what the hell do you think serial killing is?
Hiroshima
Nagasaki
Dresden
Essen
The Rape of Nanking
Belgium in the WWI
Pirates. Yes Pirates. Most were not 'swashbucklers' they were, in the language of the day - privateers or commerce raiders (i.e. state sponsored terrorists as we would call them today, soldiers by another name - and they thought it was bad luck to have women on board. So they tossed them into the sea, after gang raping them.
That's just recent stuff.
By the way, offence is really spelled, offense.
