Question: In which country was the attack where Ali Awni al-Harzi was a suspect in 2012?

Context paragraphs:
Düsseldorf axe attack: On 9 March 2017, a suspect was detained after an axe attack that injured nine persons.  The attack began on a train and continued in the main train station in Düsseldorf, Germany.  Although the suspect's injuries were too severe to permit investigators to question him, authorities do not see a connection to terrorism.

Murder of Wendy Albano: Wendy Albano was an American businesswoman murdered in 2012 in a hotel room in Thailand.  Authorities in the U.S. got in touch with the U.S. State department eventually leading to the arrest of a suspect hiding in India years later.  The chief suspect was an Indian business associate who fled to India after her death.  One of the key pieces of evidence that made him a suspect was their known business relationship and video surveillance from the hotel.  U.S. Sen. Bill Nelson asked then secretary of State Hillary Clinton to help with the case.  Senator Nelson took steps to help India and Thailand work together to solve the crime.  The case made headlines in the United States and India, especially due to the involvement of a U.S. Senator and request for help from then Secretary of State Clinton.

2016 Hamburg stabbing attack: The 2016 Hamburg stabbing attack, also referred to as Murder at the Alster or Alster Murder, was an attack on 16 October 2016 in the city of Hamburg, Germany.  A 23- to 25-year-old man "of southern appearance" was named as the suspect.  On 30 October 2016, the Islamic State (IS) claimed responsibility for the attack, though police later said a terrorist background or motive for the attack was "unlikely".

Mouloud Sihali: Mouloud Sihali (born March 1976 in Algeria) was a suspect in the Wood Green ricin plot.  He arrived as an illegal immigrant in the UK in 1997, having left Algeria to avoid national service.  He was arrested on 19 Sep 2002 on suspicion of having the intent to poison as part of a terror attack in the UK, and was charged on 22 January 2003.  No evidence of production of the poison ricin was presented at the trial, which opened in September 2004 at the Old Bailey.  Sihali was acquitted of the charges in April 2005, but was re-arrested on 15 September 2005, and held as a terrorist suspect.  He is now awaiting extradition to Algeria.  There is concern that he could be arrested and tortured if deported to Algeria.

Abu Umar al-Tunisi: Tariq bin al-Tahar bin al-Falih al-'Awni al-Harzi (3 May 1982 – 16 June 2015), known as Abu Umar al-Tunisi, was a Tunisian man and senior leader of the Islamic State.

Use of chemical weapons in the Syrian Civil War: Use of chemical weapons in the Syrian Civil War has been confirmed by the United Nations.  Deadly attacks during the war included the Ghouta attack in the suburbs of Damascus in August 2013 and the Khan al-Assal attack in the suburbs of Aleppo in March 2013.  While no party took responsibility for the chemical attacks, the Syrian Ba'athist military was seen as main suspect, due to a large arsenal of such weapons.  A U.N. fact-finding mission and a UNHRC Commission of Inquiry have simultaneously investigated the attacks.  The U.N. mission found likely use of the nerve agent sarin in the case of Khan al-Assal (19 March 2013), Saraqib (29 April 2013), Ghouta (21 August 2013), Jobar (24 August 2013) and Ashrafiyat Sahnaya (25 August 2013).  The UNHRC commission later confirmed the use of sarin in the Khan al-Asal, Saraqib and Ghouta attacks, but did not mention the Jobar and the Ashrafiyat Sahnaya attacks.  The UNHRC commission also found that the sarin used in the Khan al-Asal attack bore "the same unique hallmarks" as the sarin used in the Ghouta attack and indicated that the perpetrators likely had access to chemicals from the Syrian Army's stockpile.  Those attacks prompted the international community to pressure disarmament of the Syrian Armed Forces from chemical weapons, which was executed during 2014.  Despite the disarmament process, dozens of incidents with suspected use of chemical weapons followed throughout Syria, mainly blamed on Syrian Ba'athist forces, as well as the Islamic State of Iraq and the Levant and even on Syrian opposition forces.

Dendermonde nursery attack: The Dendermonde nursery attack was a stabbing attack on the "Fabeltjesland" daycare centre in the Flemish village of Sint-Gillis-bij-Dendermonde in Dendermonde, Belgium, at 10:00 a.m. CET (9:00 a.m. UTC) on 23 January 2009.  Three people were stabbed to death, and twelve were mutilated in the attack.  The suspect has been linked to a separate murder of an elderly lady and police have suggested he was plotting more nursery attacks.  The daycare centre where the initial attack occurred is expected never to reopen.

2012 Benghazi attack: The 2012 Benghazi attack refers to a coordinated attack against two United States government facilities in Benghazi, Libya by members of the Islamic militant group Ansar al-Sharia.

Faulty generalization: A faulty generalization is a conclusion about all or many instances of a phenomenon that has been reached on the basis of just one or just a few instances of that phenomenon.  It is an example of jumping to conclusions.  For example, we may generalize about all people, or all members of a group, based on what we know about just one or just a few people.  If we meet an angry person from a given country X, we may suspect that most people in country X are often angry.  If we meet a lazy recipient of social welfare benefits, we may suspect that all welfare recipients are lazy.  Faulty generalizations may lead to further incorrect conclusions.  We may for example conclude that citizens of country X are genetically inferior, or that poverty is generally the fault of the poor.

Ali Awni al-Harzi: Ali bin al-Tahar bin al-Falih al-'Awni al-Harzi, known as Abu Zubayr al-Tunisi, was a Tunisian Islamic militant and a senior leader in the Islamic State.  He was also a suspect in the 2012 Benghazi attack.

Supporting paragraphs: Ali Awni al-Harzi 2012 Benghazi attack
Answer: Libya