In a town run by mobsters heading up the police force is no easy task. The one thing more intimidating than gangsters? Raising a daughter who demands independence, even though the overprotective Mac is hesitant to give it.
- When Robin Scorpio's parents were presumed dead after a boat explosion, Mac raised her.
- Helped clear Felicia Jones when she was accused of the attempted murder of Ryan Chamberlain. It later turned out that Ryan was a murderer and Mac and Felicia worked together to get him convicted.
- Basically raised Maxie and Georgie Jones, Felicia's daughters by a previous marriage.
The Bad and the Ugly
- Prior to moving to Port Charles, Mac accidentally caused a plane crash that killed his parents and his brother's fiancée.
- Had a volatile relationship with his brother Robert Scorpio for many years.
- The death of his daughter, Georgie.