|Minor Character: Miami|
|Family||Susie Barnham (ex-wife)|
Madison Keaton (ex-stepdaughter)
|Occupation||Former Police Officer|
|Portrayed By||Max Martini|
|First Appearance||Big Brother|
Robert "Bob" Keaton was a former police officer and DEA agent, drug dealer as well as Susie Barnham's abusive husband and Madison Keaton's stepfather. He appeared in seasons two and three of CSI:Miami.
Despite his denials, Bob is convicted of Caine's murder and jailed.
When he is released, it is revealed that he is an undercover DEA agent and Raymond Caine's ex-partner. Bob confirms to Horatio that his brother is still alive.
His involvement in the DEA investigation and his knowledge about Raymond Caine's death leads Bob to be murdered.
- November 17, 2003: Susie Barnham (his wife back then; constantly abused her)