Klaus Braun

"We should have killed them all"

- Your last words before the arrest of Klaus Braun

Klaus Braun is the main antagonist of the episode Yahrzeit na 5 temporada de CSI NY. He disguised himself as a Jew who survived in the Holocaust under the name of Abraham Klein, but in the end it is revealed that he was a cruel Nazi, and disguised himself as a Jew to avoid being caught.

History
Klaus during the Nazi regime Germany, his father Ernst Braun was an engineer and built crematoriums in the fields, while Klaus was member of Hitler Youth from the years 1941 to 1943. And during when the Nazis killed the Jews in the fields. And Klaus's neighbors Esther Schnitzler and her husband and two sons were desperate and wanted to escape Nazi Germany. However, Klaus manipulated them and brought them to the frontiers, but then Klaus betrayed them and took them to be executed and their belongings being taken by Klaus.

Plot
After the defeat pf Nazy Germany, Braun avoided being caught after forging a false identity about the name of Abraham Klein who was a Jewish survivor of Auschwitz, he then went to America, and became a watchmaker and had a Jewish son named David. He soon made a was a Nazi colleague. Xander soon recognized Esther's daily brooch ane eventually he was killed by Braun with a bayonet pistol in his days as Hitler Youth to try to keep his true identify hidden.

However, their secret was soon revealed when the CSY staff of New York began investigating Xander 's death, and they soon tracked Schnitzler's brooch, and they also discovered that the weapon Klaus used to kill belonged to him and that it was in the Nazi regime, angry and angry Mac confronted him, at first he denied and insisted that he was Abraham Klein, but soon revealed himself to be a facade and during the interrogation Mac showed Braun disgust that Braun with an evil smile and said in German We Should have killed them all. Klaus was later arrested for the murder of Xander Green and war crimes against humanity. And his son was indignant to know the truth and turned away from Klaus rejecting him.