Background
Usubov was born in 1948 in Khojali Rayon of Azerbaijan.
Usubov was born in 1948 in Khojali Rayon of Azerbaijan.
In 1970, he completed special school of Militsia named after North. Rzayev in Baku and graduated from Academy of Internal Affairs of Union of the Soviet Socialist Republics in 1980.
Then he served in the Soviet Army and starting from 1970 worked in the law enforcement. He worked in criminal investigation units and in 1975 was appointed the head of Criminal Investigation Department of Shusha Rayon of Azerbaijan. In 1980-1984, he served as the deputy chief of Internal Affairs Department of Nagorno Karabakh Autonomous Oblast of Azerbaijan.
In 1984-1987, he was the chief of Ali Bayramli department of Internal Affairs.
In 1987, Usubov was appointed Minister of Internal Affairs of Nakhichevan and from 1989 up until 1993, worked as the Chief of Criminal Investigation, Head of Department of Visas and Registration (OVIR) and Chief of Human Resources of Ministry of Internal Affairs of Azerbaijan. Minister of Internal Affairs
On August 11, 1993, he was appointed as the Minister of Internal Affairs of Nakhichevan Autonomous Republic (Azerbaijan), and on April 29, 1994, he was appointed as Minister of Internal Affairs of Azerbaijan by Presidential decree Number.
140. On May 3, 1994, Usubov was promoted to Major General, on December 26, 1995 - to Lieutenant General, and on January 15, 2002 - to Colonel General.
In 2009, he filed a libel suit against activist Leyla Yunus after she alleged that police officers had been involved in human trafficking of young girls. He demanded 100,000 manat in damages.
Human Rights Watch protested the trial, stating that "a judgment against Yunus would set a terrible precedent for freedom of expression in Azerbaijan", while other international groups described the case as "one more example of the Azerbaijani government cracking down on free expression".