WASHINGTON, Aug 3: Five years after her mysterious disappearance in Karachi, the FBI has finally conceded that an MIT-trained Pakistani neuroscientist is alive and is in US custody in Afghanistan. Aafia Siddiqui, 36, disappeared with her three children while visiting her parents’ home in Karachi in March 2003, around the same time the FBI announced that it wanted to question her over her alleged links to Al Qaeda. Her family’s lawyer Elaine Whitfield Sharp said she believed recent media reports about Mrs Siddiqui’s incarceration increased pressure on the US and Pakistani authorities to divulge more information. “I don’t believe that...