After the war, Tehlirian went to Constantinople, where he killed Harutian Mgrditichian, who had worked for the Ottoman secret police and helped compile the list of Armenian intellectuals who were
deported on April 24, 1915. Meanwhile,
Operation Nemesis was being set up to assassinate leaders responsible for the Armenian genocide and Tehlirian's killing of Mgrditichian convinced Nemesis operatives to entrust him with the killing of Talat Pasha. In mid-1920, the Nemesis organization paid for Tehlirian to travel to the United States, where Garo briefed him that the death sentences pronounced against the major perpetrators had not been carried out, and that the killers continued their anti-Armenian activities from exile. That fall, the Turkish nationalist movement
invaded Armenia. Tehlirian received the photographs of seven leading CUP leaders, whose whereabouts Nemesis was tracking, and departed for Europe, going first to Paris. In
Geneva, he obtained a visa to go to Berlin as a mechanical engineering student, leaving on December 2. Tehlirian's main target was
Talaat Pasha, who was a member of the military triumvirate known as the "
Three Pashas" who controlled the Ottoman Empire. He was the former
Minister of the Interior and
Grand Vizier (an office equivalent to that of a prime minister), and was noted for his prominent role in the Armenian Genocide. As soon as he found Talaat Pasha's address on 4 Hardenbergstraße, in Berlin's
Charlottenburg district, Tehlirian rented an apartment near his house so that he could study his everyday routine. Tehlirian shadowed Talaat as he left his house on Hardenbergstraße on the morning of March 15, 1921. He crossed the street to view him from the opposite sidewalk, then crossed it once more to walk past him to confirm his identity. He then turned around and pointed his gun to shoot him in the nape of the neck. Talaat was felled with a single 9mm parabellum round from a
Luger P08 pistol. The assassination took place in broad daylight and led to the German police immediately arresting Tehlirian, who had been told by his handlers,
Armen Garo and
Shahan Natalie, not to run from the crime scene. ==Trial ==