 Complete the following phrase:  After six years of active duty, including a stint as a military police officer, Hatton joined the FBI in New Orleans in 1985, and worked briefly in a small Louisiana office. In 1991, he was assigned to New York City as a member of an investigative team working on a bank robbery case. Leonard Hattons main job was an FBI specialist in explosives and evidence recovery, where he worked until his death. In addition to cracking a number of high-profile bank robbery and kidnapping cases, he investigated international terrorist attacks such as the 