Finn Cooper
Lilly Rush's half brother through her father, Paul Cooper.
7x04 Soul
Finn gets himself arrested in order to meet his half sister at PPD.
7x11 The Good Soldier
Finn steals money from his dad and disappears. Thanks to Lilly, he's found in Atlantic city. He has an argument with his dad because he does not want to attend Cornell anymore and wants to become a cop.
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