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Mandy Carson
Mandy Carson
Vital Statistics
Gender Female
Status Alive
Significant
Other(s)
Billy Grimm
Character Information
Appearances Almost Famous
Portrayed by Sam Doumit

Mandy Carson is the scarily devoted girlfriend of Billy Grimm, the one who declares, in front of Beckett and Castle and to Billy, that the "only way you're going back to jail is over my dead body".

She was afraid that Billy would get himself into jail again, if he went after Derek Brookner, so she told Derek that if he wanted no troubles he give Billy money. Derek did as she said, and came with $25000 as an apology. When Billy found out, he wasn't angry that she went behind his back, but instead kissed her, because he was touched by it, since he thought it was 'the most romantic thing he ever heard'.

This segues into a steamy clinch, and despite the possible extortion charges, the detective duo are left with practically nothing, since Derek Brookner is dead and cannot testify to Mandy's coercion.

As Billy alibis out for the murder, from the homicide department's point of view, at least, she ceases to be a person of interest.

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