Detective Stella Bonasera:  Hey .
Det. Mac Taylor: Hey .
Detective Stella Bonasera: You look serious .
Det. Mac Taylor: Shut the door .
Detective Stella Bonasera: What 's up ?
Det. Mac Taylor: Rape case Aiden 's been working on - Regina Bowen . Rapist struck eighteen months ago .
Detective Stella Bonasera: Right . We never caught the guy , and ten days or so ago he raped again , same girl .
Det. Mac Taylor: You notice anything ... unethical about this ?
Detective Stella Bonasera: Seal 's broken . Oh , you do n't think Aiden ...
Det. Mac Taylor: Seal 's broken , Stella . She tampered with the evidence . Aiden is the only _ one _ on the case .