Slimane Khalfaoui (born 1975, Algeria) was a French-Algerian terrorist convicted of the Strasbourg Cathedral bombing plot in 2004 and sentenced to 10 years in prison.
[1] Khalfaoui became a fugitive wanted by French authorities in 1996 for participating in an Algerian terrorist network that plotted to carry out attacks across France and Europe.
In March 1998, Khalfaoui attended al-Qaeda training camps in Afghanistan with Ahmed Ressam from Montreal, Quebec, Canada and one of the members of the "millennium bombing".
Khalfaoui was one of the plotters of the Strasbourg Cathedral bombing plot in 2000 and was fully correlated[clarification needed] with Abu Doha, the ringleader.
Khalfaoui and Algerian-British Rabah Kadre, participated in a reported attempt to attack the London Underground, with poisoning substances scheduled in late 2002.