<P> The attackers had planned the attack several months ahead of time and knew some areas well enough to vanish and reappear after security forces had left . Several sources have quoted Kasab telling the police that the group received help from Mumbai residents . The attackers used at least three SIM cards purchased on the Indian side of the border with Bangladesh . There were also reports of a SIM card purchased in the US state New Jersey, if this is the case, then this would go back to Iraqi Intelligence Services and Al Qaeda from 9 / 11 or Jemmah Ismaliyah and Egyptian Islamic Jihad through Iraqi Intelligence from Saddam Hussein's old network of militants that was never proved . Police had also mentioned that Faheem Ansari, an Indian Lashkar operative who had been arrested in February 2008, had scouted the Mumbai targets for the November attacks . Later, the police arrested two Indian suspects, Mikhtar Ahmad, who is from Srinagar in Kashmir, and Tausif Rehman, a resident of Kolkata . They supplied the SIM cards, one in Calcutta, and the other in New Delhi . </P> <P> The attackers used a satellite phone and cell phones to talk to each other as well as their handlers that were based in Pakistan . In transcripts intercepted by Indian authorities between the attackers and their handlers, the handlers provided the attackers with encouragement, tactical advice, and information gained from media coverage . The attackers used both personal cell phones and those obtained from their victims to communicate with each other and the news media . Although the attackers were encouraged to murder hostages, the attackers were in communication with the news media via cell phones to make demands in return for the release of hostages . This was believed to be done in order to further confuse Indian authorities that they were dealing with primarily a hostage situation . </P> <P> Type 86 Grenades made by China's state - owned Norinco were used in the attacks . </P> <P> There were also indications that the attackers had been taking steroids . The gunman who survived said that the attackers had used Google Earth to familiarise themselves with the locations of buildings used in the attacks . </P>

List of police officers who died in 26/11