I had a quick shufti at miami episodes on IMDb before answering and saw nothing for miami. Just did this for csi, and season 4, eps 1 & 2 fit the story I saw.eason 4, Episode 1: Assume Nothing
Original Air Date�25 September 2003
When a couple is murdered after meeting another couple in a bar, Grissom and his team suspect it is the work of a pair of serial killers. Nick jeopardizes a case when he gives an old friend some information, and it later turns up on the local news.
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Season 4, Episode 2: All for Our Country
Original Air Date�2 October 2003
Continuing from the previous episode, the suspects of the two murders, a husband and wife, are killed in their own house which was being watched by two undercover officers working under Jim Brass. The two officers were missing during the murder because they were called in to a possible shooting which turns out to be a hoax. Sara and Catherine are pulled off the murder case to investigate the death of a college student found bloated in a bathtub.