Makhlulif is wanted in France for being one of the masterminds of the Strasbourg cathedral bombing plot. Another plotter, Slimane Khalfaoui, was picked up in the UK and extradicted to France, where he was convicted and sentenced to 10 years imprisonment. Four more of Abu Doha's affiliates have been sentenced in Germany to terms of from 10 to 12 years for that plot. In reading the sentence, the judge said that Abu Doha had exhorted them to commit that attack.
Makhlulif is alleged to have been an Al-Qaeda recruiter, and a trainer at, or even the founder of, al-Qaeda's Khalden training camp in Afghanistan, and at least a cell leader in GSPC. Makhlulif is described in some reports as the "paymaster" of al-Qaeda's London component.
"Makhlulif" is the name by which this person identifies himself to British immigration authorities. It could be a false name or an erroneous transliteration of مخلوف, which is pronounced more like "Makhlouf". Two press reports (here at BBC Arabic News and here at Asharq Alawsat) do refer to Abu Doha as Amar Makhlouf.
On 3 July 2008 the British bench released one "U" from prison, under several security measures including a 22-hour-per-day curfew. Although the British press was forbidden to publish his name, the other data about "U" identifies him clearly as Abu Doha.