His assistant, Thomas Mougard, 24, was charged in August with "complicity to introduce false data into a computer system".
Reprieve has said Mobley's disappearances began before counsel could introduce evidence into court indicating US complicity in his capture.
His abrupt disappearance comes ahead of a court hearing at which his lawyers planned to introduce what his lawyers say is evidence of US complicity in his capture and subsequent interrogation.
What's more complicated is the insidious nature of institutional racism and our complicity in it.
"This bill has been introduced partly because parts of the executive didn't like the exposure given to Britain's complicity in rendition.
What policies allowed such complicity in torture?
The four were charged with complicity in a terrorist undertaking.
The Syrian government has denied any complicity in the killings.
Its own complicity in the violence has not been proved.
Their complicity, in this account, is forced, never chosen.
