Alderson was an FBI agent who was following Agent Johnson (who had John McClane and Matt Farrell in his car) to the DHS Headquarters.

Live Free or Die HardEdit

Alderson was one of many FBI agents present on the scene of the cyber-terrorist attack on the United States. He was evacuated out of the building along with the entire FBI. Later, he is seen driving his car down a road along with FBI Agent Johnson. Unknown to him, he was being followed by Thomas Gabriel's henchman Del, who shot him and the remaining agents from the helicopter.

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