Former Intelligence Officer Gopal B Hosur stated that Pakistan based Lashkar-e-Toiba (LeT), which had orchestrated terror attacks in India, including Mumbai and Bengaluru, had engaged its operative Abu Hamza to set up bases in various parts of the country, reports The New Indian Express on May 7. Hamza hired a man from Bihar and they carried out the December 28, 2005 attack at the Indian Institute of Science, killing mathematics professor Munish Chander Puri of IIT-Delhi and injuring four, Gopal B Hosur, former ADGP in the department said. "The Lashkar-e-Taiba (LeT) had engaged Abu Hamza to plant terror in various parts of India. He in turn found Sababuddin from Bihar to carry out terror operations Sababuddin got admission to a local college in Bengaluru only to get an identity card. His intention was to set up a base and to survey the city," Hosur said. Hosur said he came to know of LeT's role in the IISc attack after interrogating Mohammed Ajmal Amir Kasab, the terrorist nabbed alive after the November 26, 2008 Mumbai terror attacks.