This article by Saeed Shah and Syed Hasan describes the Taliban factions from the tribal areas that control parts of Karachi, Pakistan's main commercial city on the Arabian Sea. It provides a detailed map showing the outlying areas around the city centre, especially the shantytown areas and the areas with Pashtun majority population controlled by Taliban with roots in the tribal areas. The Taliban charge taxes and adminster law in the areas they control. A major operation was launched since Sept. 2013 by the Sharif government to free this key city of Pakistan from Taliban control and the wave of kidnappings, extortion and other violence from Taliban members. About 168 police officers have been killed in the efforts to control the city, but areas under Taliban control are still hard to patrol by government police and special Ranger force. Karachi anxiously awaits the result of peace talks of the Sharif government with Taliban. If the talks fail and an operation is launched against Taliban in tribal areas the repercussions will be felt in Karachi. Shah and Hasan provide a excellent picture of the tribal loyalties, religious extremism and entrenched culture of violent activity that extends from the border tribal regions of Pakistan into the commercial centres such as Karachi that is a vexing problem for the Sharif administration, police, business and ordinary citizens....