Special Agent William Garrison was struck and killed by a train engine in the Howell Yards in Evansville.

   He was struck by a switch engine while in the rail yards, causing a skull fracture and both his legs to be severed at the hip.

   Special Agent Garrison, from Mount Vernon, Illinois, was survived by his wife, two brothers and sister.

The responsibilities of the Louisville and Nashville Railroad Police Department (1850–1982) are now under the jurisdiction of the CSX Transportation Railroad Police Department.

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This officer, discovered in 2020, has not been submitted for consideration as an eligible line of duty death to the National Law Enforcement Officers Memorial Fund by the CSX Transportation Railroad Police Department.