Mr. Clark served as a Special Agent of the FBI in Miami, New York, Washington D.C., Los Angeles, Newark, San Antonio and Houston. His assignments as an investigative agent and manager in the FBI included foreign counterintelligence, counterterrorism, violent crimes, organized crime, drugs and other FBI investigative programs.
Mr. Clark supervised numerous high profile FBI investigations including the 1979 Iranian Hostage Crisis where he handled the movement of the Shah of Iran from New York City to San Antonio, TX. He supervised the investigation of the terrorist attack aboard the Achille Lauro cruise ship, which claimed the life of passenger Leon Klinghoffer, and he managed the investigation of the 1993 bombing of the World Trade Center in New York City. He was in charge of tactical operations in 1996 during the Freeman crisis in Jordan, Montana. He coordinated and managed the investigation and prosecution of the dragging death of James Byrd, Jr. in Jasper, Texas and he was in charge of the investigation and coordination to locate FBI’s top- 10 fugitive and accused “Railcar Killer” Rafael Resendes Ramirez.
Some of Mr. Clark’s many assignments included, Assistant Special Agent in Charge of the Criminal Division New York Office, in 1991 and in January 1994, Mr. Clark was assigned to manage all counter-terrorism investigations in the New York Office. Later in June 1994, he was designated Special Agent in Charge of the Criminal Division of the New York FBI Office. In December 1994, he was named Special Agent in Charge of the San Antonio FBI Division and on July 2, 1996, FBI Director Louis Freeh appointed Mr. Clark as the Special Agent in Charge of the Houston Division, one of the FBI’s Top Ten Field Divisions, the position he held until his retirement