[3] In 1993 Abderrahmane left Algeria and settled in Randers, Denmark, where he joined a music group and worked as a DJ in a club.

[3] He is reported to have been inspired to travel to Afghanistan in the late 1990s at the Grimhøj Mosque [da], founded by an Algerian refugee named Athme Meheri.

[6] On 10 October 2007, in the Copenhagen suburb of Greve, Abderrahmane was sentenced to 10 months in jail for the theft of two passports and three credit cards which he used to withdraw more than 110,000 Danish kroner (approximately US$20,000).

[12][failed verification][13][unreliable source] The items were stolen from the mail sorting office where Abderrahmane was working under a new Danish name.

[14] According to the Copenhagen Post Slimane was believed to be one of a number of Danish Muslims who had traveled to Syria to volunteer to help overthrow Assad.

[16][17] On 25 August 2014, the High Court of Eastern Denmark refused to issue a legal finding of death regarding Slimane Hahj Abderrahmane.