[8] The assailant wanted to kill PKK militants for months and found out about the location of the HDP headquarters in January 2021[9] and stayed in hotels near the building before the attack.
[4] Deniz Poyraz was born in 1983 in İzmir as the eldest of nine siblings to a Kurdish family from Tavuklu village, Mardin.
[11] At the time of the attack she volunteered in the HDP building, covering a shift for her mother who had undergone hand surgery.
[4] He carried with him the Ruger pistol containing ten bullets[9] and also shot at an image of the imprisoned HDP MP Sebahat Tuncel.
[14][15] The assailant posted several images of his on social media on which he is seen carrying weapons while being in Syria, notably Manbij and Aleppo, while undergoing a military training given by SADAT, an Islamist paramilitary organisation with close ties with governing Justice and Development Party.
[16][17][18] On some images, he is also seen flashing the sign of the far-right Grey Wolves, which are closely affiliated with the Nationalist Movement Party (MHP).
Peker also claimed that such or bigger terrorist attacks will continue to happen, in order to create a chaotic atmosphere within Turkey.
[21] The following day after the attack, it was reported that the police has erased the footage of several surveillance cameras in the neighborhood of the HDP building.
[29] Meral Danış Beştaş blamed the attack on the fact that former assailants were handed down lenient sentences like rewards.