Boomtown - Season 2 - Eps 4: Haystack
Bank robbers attempting to flee the scene end up at a local shopping mall and take several hostages, including Teresa, whose ""shoot, don't shoot"" lessons at the academy come in handily at a critical moment.
About Boomtown

Title: Boomtown
First Air Date: 2002-09-29
Last Air Date: 2003-12-28
Status: Ended
Rating: 6.5/10 (from 17 votes)
Language: EN
Seasons: 2
Total Episodes: 24
Network: NBC
Genres: Mystery, Drama, Action & Adventure
Production Companies: Nemofilms, DreamWorks Television, NBC Studios
Synopsis
Each episode of this series, set in contemporary Los Angeles, examines one crime from many different viewpoints - uniformed cops, detectives, witnesses, the media, the fire department and rescue squad, even the criminals themselves.
Cast

Donnie Wahlberg
Detective Joel Stevens

Neal McDonough
Assistant District Attorney David McNorris

Mykelti Williamson
Police Department Detective II Bobby 'Fearless' Smith

Gary Basaraba
Police Department Police Officer III Ray Hechler

Lana Parrilla
Teresa Ortiz, paramedic in season one, rookie police officer in season two

Jason Gedrick
Police Department Police Officer II Tom Turcotte