Why the Texas hostage-taker was demanding the release of convicted terrorist Aafia Siddiqui

During an 11-hour standoff at a synagogue in Colleyville, Texas, the British gunman repeatedly demanded the release of Aafia Siddiqui, a Pakistani woman who was convicted of attempting to kill American troops in Afghanistan. NBC News’ Ken Dilanian explains who Siddiqui is and why the hostage-taker was demanding her release from prison.