[1] During this time, he was affiliated with the Republicans and took a lead role in re-establishing the Sarmatia Academic Corporation [pl; de] whose alumni staffed the offices of President Lech Kaczyński and Andrzej Duda from the Law and Justice Party.
[2] Muszyński received his doctoral degree in 2010 at the Cardinal Stefan Wyszyński University in Warsaw under the supervision of Jan Żaryn.
[1][2] In 2003, Muszyński established the Glaukopis, a far-right-wing Polish journal on history; among its aims were to reject "political correctness" on controversial topics and present "truthful research" on Polish-Jewish relations.
[4][5][6][7][8] In 2016, Kukiz'15 nominated Muszyński to the Collegium of the Institute of National Remembrance; during his candidacy, he posted an image of Barack Obama hanging from a noose on social media alongside a racist video about immigrants.
[9][10] In 2019, Muszyński suggested that members of the left-wing Razem party should be thrown from helicopters as was done to leftists in Chile by the Pinochet dictatorship.