FBI-agent Don Eppes (Rob Morrow) har et hemmelig våpen i sin yngre bror, Charlie (David Krumholtz), et mattegeni som bruker ligninger til å løse forbrytelser.
The team searches for a geneticist's daughter who they suspect was abducted by her unstable mother but become more concerned when they think the young girl may be a clone. Also, Charlie and Amita talk about having kids and Liz reveals a dark secret.
S6E605 41 min
