<P> On February 15, 2012, Brewster revealed in a statement that the seventh season would be her final season on the show . Brewster's final episode as a main cast member on the show was on the May 16, 2012 episode "Run". Brewster reprised the role again in 2014 for the 200th episode . </P> <P> On February 10, 2016, it was announced that Brewster would be returning as Prentiss for one episode during the spring of Season 11 . On March 30, 2016, she returned following the departure of Shemar Moore for the episode "Tribute". </P> <P> On July 21, 2016 at San Diego Comic - Con International, it was announced that Brewster will be returning in season 12 in a recurring role . On August 30, 2016, it was confirmed that Brewster would once again be a series regular for the 12th season . She was re-hired soon after Thomas Gibson had been dismissed from the show . </P> <P> Prentiss was born to her unnamed father and Elizabeth, a US Ambassador . Due to her mother's job postings, Prentiss spent her childhood in numerous places, including Ukraine, France, Italy, and various countries in the Middle East . Her father has never been referred to in any way . </P>

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