Dexter Wiki
Dexter Wiki

Koshka Brotherhood are the Main Antagonists in Season Seven of Showtime's series DEXTER.

Based in Ukraine, it is a widespread criminal organization with a reach extending to the United States. Isaak Sirko was a powerful leader.


The Koshka Brotherhood specializes in human and heroin trafficking under cover of the strip clubs they own. Their main rivals in Miami are the Colombian drug cartels with whom they battle for control of the drug trade.


  • Drug Trafficking - The Brotherhood buy and sell heroin. They are seen completing a large transaction at The Fox Hole with Det. Joey Quinn standing guard.
  • Human Trafficking - The Brotherhood keep the passports of immigrant women and work them through their chain of strip clubs.
  • Bribery, Extortion, and Evidence Tampering - George Novikov coerced Det. Joey Quinn through money and Nadia to steal the blood evidence implicating Isaak in the triple murder.
  • Money Laundering - Miami Metro Vice believed that the strip clubs were used to launder money, but could never prove it.

Top Official

Mid-Level Boss

Local Boss



Police Contact

  • Detective Joey Quinn - A formerly dirty cop that was pressured to again be on the Koshkas' payroll

Miami Murders

Related Pages


  • Кошка (Koshka) is the Russian word for cat, specifically, female cat. The correct spelling of the word "cat" in Ukrainian - "Кішка" (Kishka)..(Bratva, "Koshka" means "female cat").
  • They are the largest scale of Main Antagonists in the series.
  • They are the first organized crime syndicate to play a role in Dexter's storyline. (Before that, a drug cartel in Season One played a role in James Doakes' storyline).

Known Members

Known members of the brotherhood.