Abd al-Muhsin Al-Libi (born 1966 or 1969) frequently known as Ibrahim Tantoush (also spelt Ibrahim Tantouche) is an alleged Libyan Al-Qaeda leader.
He is also connected with the alias "Ibrahim Ali Abu Bakr" as well as many other aliases including "Abdalmushi", "Abdel Ilah Sabri" and "Abu Anas".
He is currently believed to be leading forces of the "Western Shield" Islamist armed group. He was reportedly involved in the capture of a base called Camp 27 from the Libyan National Army in April 2014.
The United Nations and the United States Treasury associate him with Al Qaeda.
On 20 December 2000, a grand jury in the Southern District of New York, the United States, returned an indictment against Tantoush in the case of the United States v. Usama bin Laden, et al. The five suspects were charged with the overall conspiracy to kill United States nationals and engage in other actions. Tantoush was, in particular, alleged to have been involved in the bombings of the United States Embassies in Tanzania and Kenya in August 1998.
He has also been linked to the Libyan Islamic Fighting Group.
Abd al-Muhsin Al-Libi's date of birth is sometimes given as 27 Oct 1969, but some sources state he was born on an unknown day in 1966. His place of birth is officially Johannesburg. His nationality is Libyan.
According to the United States Treasury he was the office director of the "Afghan Support Committee" (ASC) and Revival of Islamic Heritage Society (RIHS) in Peshawar.Paul O'Neill, Secretary of the Treasury, wrote: