As Ambassador to the United States from 2009 to 2011 for the Gaddafi government, he was also known for defending the return of Abdelbaset al-Megrahi to Libya.
She attracted public notice shortly after the bombing and again after the 2001 verdict announcements in the trial of Lameen Khalifa Fhima (who was acquitted) and Abdelbaset al-Megrahi (who was found guilty).
In week 7 of the trial, Meister testified that Mebo had supplied Libya with 20 MST-13 timing devices, and identified one of the two accused (Abdelbaset al-Megrahi) as a former business contact.
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Only one of the two accused Libyans, Abdelbaset al-Megrahi, was convicted of the Lockerbie bombing on 31 January 2001.
24 November - The High Court in Glasgow imposes a minimum sentence of 27 years for Al Ali Mohmed Al Megrahi, the Libyan convicted of bombing Pan Am Flight 103 over Lockerbie, Scotland.
Torrance made representation to the British Prime Minister Tony Blair on behalf of Megrahi pointing out the deep unease in Scotland and elsewhere over the safety of the verdict.
But five years after the Pan Am Flight 103 bombing trial, when Abdelbaset al-Megrahi was convicted of 270 counts of murder, he cast doubt upon the reliability of the main prosecution witness, Tony Gauci.
Nonetheless, Megrahi's appeal against conviction was rejected by the Scottish Court in the Netherlands in March 2002.