Dizi Adı: The Shield
Bölüm Adı: Circles (2)
Sezon/Bölüm: 1. Sezon 13. Bölüm
Yayın Tarihi: 4 Haz. 2002

In the aftermath of a riot, cops are being lured into ambush shootings by a rash of bogus 911 calls. Surprisingly Mackey and Captain Aceveda must work together to stop these attacks and solve the problems in The Grove, while Assistant Chief Gilroy tries to pit the two against each other to save his own job.