Zack was drugged with powdered chlorine and drowned in the UNY training pool. Key Suspects & Motives:
In the Castle episode (Season 3, Episode 21), Castle and Beckett investigate the murder of Zack Lindsey , a promising Olympic hopeful found dead in his college training pool . The investigation reveals a dark underworld of steroid use and car theft . Case Breakdown [S3E21] The Dead Pool
Zack's best friend; the two had been stealing cars together to help Zack afford basic necessities while training. Subplots & Themes Zack was drugged with powdered chlorine and drowned
Includes guest stars Justin Bruening (Rob Tredwyck), Brendan Hines (Alex Conrad), and Erik Palladino . Official Summary: View more on Apple TV or Rotten Tomatoes . Brendan Hines (Alex Conrad)