Gus Aitoro began investigating the Santos Family in Chicago; this investigation led him Springfield in 2001. When some files were destroyed, Gus became partnered with Harley Cooper...

ROMANCE:
Harley Cooper (married)

CHILDREN:
None

WORK:
Former Legal counsel at Spaulding Enterprises
Former Acting Chief of Police
Detective for Springfield PD
Former VP at Spaulding Enterprises
Former Private detective
Former FBI agent