Germany's infamous Gestapo .
Different agencies started it in different countries - usually it was the normal police.
no, they were the only ones involved in arresting Jews in Paris, but others were involved in their deportation.
essentially with the invasion of Poland. For example: When Hans Frank took Krakau as his headquarters he asked all Jews in non-essential jobs to leave the city, when only a few thousand left he ordered the deportation of 32 000 Jews from the city.
deporting/deportation.
No, but they were ordered to draw up lists of Jews for deportation to extermination camps ...
A ghetto.
mainly in 1941, but some in 1940
Wiesel wrote about feeling betrayal and disillusionment towards the Hungarian police in his memoir "Night." He described how they sided with the Nazis and collaborated in the persecution and deportation of Jews during the Holocaust.
They went through what all of the other Jews went through; discrimination, deportation, and death.
Jews hid in order to avoid deportation to death camps in Eastern Europe.
They were generally warned at least a day before that they would be deported.
Jews did not agree to be police in the ghettos, they were made to!
The plan assumed Germany victory in 1940 and was never realistic.