The NSS was subordinate to the Interior Ministry, and led by General Ahmed Saleebaan Abdalla right through the 1970s until the mid-1980s. Abdalla was a son-in-law of the General and a member of the Supreme Revolutionary Council. After that point, Abdiqasim Salad Hassan directed the agency during the closing years of the Barré regime. Hassan would later become a one-time President of Somalia under the Transitional National Government. Conceived in the Soviet model and organized with the help of the KGB, the NSS was an elite organization whose key officers maintained close links to Barré's SRC. It built and maintained a wide-ranging network of informers.
NSS prisons
The NSS headquarters and interrogation center in Mogadishu, referred to as Godka or "the Hole", was particularly notorious. Other NSS centers included Mogadishu Central Prison, and stations at Lanta Bur, Labtanjirow and Burwein.
1990 dissolution
In 1990 the NSS was formally dissolved as a palliative measure. However, its abolition was not accompanied by the demise of other security agencies who also had effectively unlimited powers of arrest and detention and similarly notorious reputations for torture and ill-treatment of detainees. These include the President's own bodyguards, the Red Berets ; the Dhabar Jabinta a branch of the military police; the Hangash, another branch of the military police; the Guulwadayal, a uniformed paramilitary group; and the investigative wing of the Somali Revolutionary Socialist Party. Similarly, the decision to dismantle the NSC did not guarantee a fair system of justice because other courts, such as the Mobile Military Court and the Regional Security Court, retained the power to sentence people to long prison terms and even death without any pretense of due process. In an effort to show that the government was opening the political system, President Barre resigned as Secretary General of the ruling party, only to be replaced by a son-in-law who for many years headed the NSS.
Politicians with ties to the NSS
Controversy surrounds the activities of the NSS, as well as those politicians who served in or assisted the NSS during the Barre regime. This is a partial list of Somali and Horn of Africa politicians who had known or alleged ties to the NSS:
Abdiqasim Salad HassanTNG President of Somalia ; as Interior Minister under Siad Barre, was head of the NSS.
Meles Zenawi, Prime Minister of Ethiopia, reportedly came in contact with the NSS and lived in Mogadishu for a period during the Derg era of Ethiopia, allegedly lived with Afwerki
Isaias Afwerki, President of Eritrea, reportedly came in contact with the NSS and lived in Mogadishu for a period during the Derg era of Ethiopia, allegedly lived with Zenawi
Foreign politicians
Former Ethiopian president Meles Zenawi and Eritrean president Isayas Afewerki were also alleged to have had with the NSS. IRIN news wrote, citing an unnamed former official of Somalia, that: "Meles knew Somalia very well, as he lived in Mogadishu when he was a liberation leader in the 1980s. Meles and Eritrean leader Isayas Afewerki “lived together in a villa behind Tawfiq Hotel, north Mogadishu, and were handled by the National Security Service, provided with travel documents and Somali passports, trained and given a Tigrayan radio frequency”, a former senior Somali government official told IRIN".