All episodes Season 7 S07E21 1999-05-14 60 min 1990s NBC

Homicide: Life on the Street

The Why Chromosome

TV Flash files “The Why Chromosome” as hour 121 of 122 in the TV Flash guide — Homicide: Life on the Street (1993–1999) on NBC, season 7, episode 21, aired 1999-05-14, 60 min.

From the desk

How this hour is filed

This leaf is S07E21: listed hour 121 of 122 in the Homicide: Life on the Street guide, hour 21 of 22 in season 7. It aired 1999-05-14 (60 min). The listed hour before it is “Lines of Fire” (S07E20). Next is “Forgive Us Our Trespasses” (S07E22).

Homicide: Life on the Street — The Why Chromosome (S07E21)

Catalog log

Broadcast listing — not a TV Flash recap.

Sheppard and Ballard investigate a teenage girl's murder, while Munch's fiancée asks him to settle a dispute between ex-lovers.

Viewer FAQ

Where does The Why Chromosome sit in the Homicide: Life on the Street guide?

S07E21 is listed hour 121 of 122 — hour 21 of 22 in season 7, season 7 episode 21.

When did Homicide: Life on the Street S07E21 air?

The Why Chromosome aired 1999-05-14 and is listed at 60 minutes.

What is it based on?

David Simon's nonfiction book about a year with Baltimore homicide detectives — reporting texture, not cop-show candy.

In the series

Why this series still plays

Baltimore detectives, handheld grit, and cases that refuse to tidy up for sweeps. Paul Attanasio developed David Simon's reporting into literary cop TV: Andre Braugher's Pembleton turning interrogation into theater, a red/black board, and moral ambiguity as house style. The missing link between Hill Street and The Wire — network crime that reads like a novel.

The useful first thing *Homicide: Life on the Street* does is refuse catharsis. Baltimore detectives work murders with handheld grit, a red/black name board, and moral ambiguity that will not tidy up for sweeps. Paul Attanasio developed David Simon's nonfiction *Homicide: A Year on the Killing Streets* into NBC drama (1993–1999). Andre Braugher's Frank Pembleton turns interrogation rooms into theaters of intellect and rage. Yaphet Kotto, Kyle Secor, Richard Belzer, Clark Johnson, Melissa Leo: the unit as a city…

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Also in season 7

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