 In the weeks following the attack, FBI and NYPD investigators began questioning the family about Hamdani.His mother said US Representative Gary Ackerman, whose congressional district included Queens, was among the officials who came to the family's Bayside home to ask questions about her son, including what his motives were for becoming an NYPD cadet, which Internet chat rooms he visited and why he had been in London.According to the family, CIA officals came to help find their missing son.