|Title||Senior Assistant District Attorney|
|Affiliation||Manhattan District Attorney's Office|
|Division||Sex Crimes Bureau|
|Family|| Lucia Barba (mother)|
Catalina Diaz (grandmother, deceased)
|First Appearance||Twenty-Five Acts|
Barba is a by-the book no-nonsense ADA who requested a transfer from Brooklyn to Manhattan shortly after the events of the Bart Ganzel/Delia Wilson case (Rhodium Nights, Lost Reputation, Above Suspicion)
Barba will put pressure on whomever he needs to win the case whether it's the victim or the arresting officers.