Muammar Gaddafi's former spy chief arrives in Libya on Wednesday - where he faces charges of crimes against humanity.<br/> <br />Extradited to Libya by Mauritania, Abdullah al-Senussi was once one of the most feared members of the former Libyan leader's circle - before rebels toppled the government last year.<br/> <br />Libyan Prime Minister Abderrahim al-Keib.<br/> <br />SOUNDBITE: Libyan Prime Minister Abderrahim al-Keib (Arabic)<br/> <br />"Abdullah al-Senussi, the right arm of the previous regime, has been brought back to Libyan soil today from the Mauritanian capital after big efforts."<br/> <br />The former intelligence chief was captured in the West African nation in March - beginning a battle for his extradition between Libya, France and the International Criminal Court.<br/> <br />A Mauritanian government source said Libya secured his extradition after making certain guarantees - but did not clarify what guarantees.<br/> <br />Senussi has been accused of using his position to have attacks carried out against Gaddafi's opponents.<br/> <br />He also has been allegedly linked to the 1988 bombing of a U.S. passenger plane over Lockerbie, Scotland that killed 270 people.
