CSI: Miami (2002) - 5x02 - Going Under

The team must investigate when Calleigh is run off the road into a canal, compromising crime scene evidence she just collected.

After collecting the evidence to a crime scene involving a murdered ATF agent who was working undercover, Calleigh is run off the road into a canal, corrupting her evidence. Since almost none of the evidence is salvageable, the CSIs must work to uncover new, untouched evidence in order to solve the case. Meanwhile, Calleigh's ex-boyfriend, also an undercover ATF agent, offers interesting, yet conflicting, insight into the investigation.

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