Shep McAvoy 1969.JPG
Mack in 1969
Shep McAvoy 2008.JPG
Mack in 2008
Shep "Mack" McAvoy
Portrayed by Shawn Colten (1969)
Ed Lauter (2008)
Episode One Small Step
Status Alive

Shep "Mack" McAvoy was the detective that originally investigated Danny Finch's death in 1969. He brought new evidence to the team for them to investigate in 2008. Mack convinced Rush to solve the case because it was never solved and bothered him.

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