who commanded the security services
Coincidentally, one ethnic group comprising 1% of Poland's population held 40% of the posts in the security apparatus including nearly all its executive positions.
It's best not to name that group to avoid being accused of anti-Norwegianism, anit-Bolivianism or whatever. Amongst he most prominent were (real names in brackets where applicable):
Roman Romkowski (Menasze Grynszpan), Mieczysław Mietkowski (Mojżesz Bobrowicki, Leon Andrzejewski (Ajzen Lajb Wolf), Józef Różański (Goldberg), Edward Kalecki (Ela Szymon Tenenbaum), Kamil Warman, Leon (Lew) Gangel, Ludwik (Salomon) Przysuski, Michał Rosner, Hanna Wierbłowska, Michał (Mojżesz) Taboryski, Zygmunt Braude, Witold Gotman, Feliks (Fiszel) Goldsztajn, Jadwiga Piasecka, Zygmunt (Nechemiasz) Okręt, Roman Garbowski (Rachamiel Garber), Józef Czaplicki (Izydor Kurc), Julian Konar (Jakub Julian Kohn), Leon (Lejba) Rubinstein, Michał (Mojżesz) Taboryski, Józef Czaplicki (Izydor Kurc), Leon Andrzejewski (Ajzen Lajb Wolf), Aleksander Wolski (Salomon Aleksander Dyszko), Józef Kratko, Bernard Konieczny (Bernstein), Julia Brystiger, Jerzy Dagobert £ańcut, Wacław Komar (Mendel Kossoj), Marek Fink (Mark Finkienberg), Józef Światło (Izaak Fleischfarb) and Henryk Piasecki (Chaim Izrael Pesses).