James Kallstrom  James K. Kallstrom (born May 6, 1943) is a former FBI Assistant Director from Worcester, Massachusetts. He led the investigation into the 1996 explosion of TWA Flight 800. He was a supervising agent in the New York investigation of the Cosa Nostra criminal network that resulted in the Mafia Commission Trial of 1985–1986. Kallstrom worked for 27 years at the FBI from February 1970 to December 31, 1997 and has been described as an expert in wiretapping. During his career at the FBI he was a leading advocate of expanding wiretapping power through the Communications Assistance for Law Enforcement Act (CALEA). After graduating from University of Massachusetts Amherst in May 1966, he immediately joined the United States Marine Corps and served from 1966 to 1970 up to the rank of captain. He served two tours in Vietnam War. He left the public sector for private sector employment in the financial industry beginning in 1998. After the 9/11 attacks, Kallstrom returned to the public sector to lead New York state's public safety office. In the 2016 presidential election, Kallstrom supported Donald Trump and has referred to Hillary Clinton and the Clinton family as being criminal-like. Kallstrom was also host of the Discovery Channel show The FBI Files.