Question: Which Major and Commander of the Argentine National Gendarmerie was involved in a special military intelligence service of the Argentine Army that collected information on and infiltrated guerrilla groups, human rights organizations, coordinated killings, kidnappings, and other abuses?

Context paragraphs:
Human rights in Cuba: Human rights in Cuba are under the scrutiny of human rights organizations, who accuse the Cuban government of systematic human rights abuses, including arbitrary imprisonment and unfair trials.  International human rights organizations such as Amnesty International and Human Rights Watch have drawn attention to the actions of the human rights movement and designated members of it as prisoners of conscience, such as Óscar Elías Biscet.  In addition, the International Committee for Democracy in Cuba led by former heads of state Václav Havel of the Czech Republic, José María Aznar of Spain and Patricio Aylwin of Chile was created to support the civic movement.

Inteligencia de la Gendarmería Nacional Argentina: Inteligencia de la Gendarmería Nacional Argentina ("Argentine National Gendarmerie Intelligence") is the intelligence service of the Argentine National Gendarmerie, commonly referred as SIGN ("Servicio de Inteligencia de la Gendarmería Nacional", National Gendarmerie Intelligence Service) inside of the Intelligence Secretariat.

Military Intelligence Division (United States): The Military Intelligence Division was the military intelligence branch of the United States Army and United States Department of War from May 1917 (as the Military Intelligence Section, then Military Intelligence Branch in February 1918, then Military Intelligence Division in June 1918) to March 1942.  It was preceded by the Military Information Division and the General Staff Second Division and in 1942 was reorganised as the Military Intelligence Service.

Batallón de Inteligencia 601: The Batallón de Inteligencia 601 (Spanish for "601 Intelligence Battalion") was a special military intelligence service of the Argentine Army whose structure was set up in the late 1970s, active in the Dirty War and Operation Condor, and disbanded in 2000.  Its personnel collected information on and infiltrated guerrilla groups and human rights organisations, and coordinated killings, kidnappings and other abuses.

Agustín Feced: Agustín Feced (born June 11, 1921, died 1980s or 1990s) was a Major and Commander of the Argentine National Gendarmerie, and the head of the Police of the Province of Santa Fe for the city of Rosario, during the Dirty War.  He was in charge of the 2nd Regional Police Corps, and he was also part of Intelligence Battalion 601 of the Argentine Army since June 1974, before the beginning of the military dictatorship, in the last days of the presidency of Juan Perón.

Human rights in Sudan: Some human rights organizations have documented a variety of abuses and atrocities carried out by the Sudanese government over the past several years.  The 2009 Human Rights Report by the United States Department of State noted serious concerns over human rights violations by the government and militia groups.  Capital punishment, including crucifixion, is used for many crimes.

Niger Armed Forces: The Niger Armed Forces (French: "Forces Armées Nigeriennes" ) (FAN) includes military armed force service branches (Niger Army and Niger Air Force), paramilitary services branches (National Gendarmerie of Niger and National Guard of Niger) and the National Police.  The Niger Army, Niger Air Force and the National Gendarmerie of Niger are under the Ministry of Defense whereas the National Guard of Niger and the National Police fall under the command of the Ministry of Interior.  With the exception of the National Police, all military and paramilitary forces are trained in military fashion.  The President of Niger is the supreme commander of all armed forces.

Human rights in China: Human rights in China is a highly contested topic, especially for the fundamental human rights periodically reviewed by the United Nations Human Rights Committee, on which the government of the People's Republic of China and various foreign governments and human rights organizations have often disagreed.  PRC authorities, their supporters, and other proponents claim that existing policies and enforcement measures are sufficient to guard against human rights abuses.  However, other countries and their authorities (such as the United States Department of State, Canada, among others), international non-governmental organizations (NGOs), such as Human Rights in China and Amnesty International, and citizens, lawyers, and dissidents inside the country, state that the authorities in mainland China regularly sanction or organize such abuses.

Agora (organization): Agora (in full, Inter-regional Association of Human Rights Organizations "Agora", Russian "Межрегиональная Ассоциация правозащитных организаций "АГОРА"") is a Russian human rights group based in Kazan, Tartarstan.  It provides legal advocacy for victims of suspected human rights abuses by government officials such as police, military and prison officers, with a particular focus on journalists, political activists, bloggers and Non-Governmental Organizations (NGOs).  The organization was awarded the Rafto Prize for its work on 25 September 2014.

Grupo Alacrán: The Grupo Alacrán ("Scorpion Group") is a special operations service of the Argentine National Gendarmerie, often referred as the "Equipo Antiterrorista de Gendarmería" (Gendarmerie Counter-terrorism Team).  The division is headquartered in Evita City and responds to high-risk and counterterrorist situations throughout Argentina, but primarily in the rural areas.  They also provide limited dignitary protection for government officials traveling in these areas.  The members of this unit wear green berets with unit insignia.

Supporting paragraphs: Agustín Feced Batallón de Inteligencia 601
Answer: Agustín Feced