: It is later revealed that Tubbs was the killer of the original victims. However, Anna Begley , a suicidal student who had bonded with Tubbs, committed the murder of Katie to provide him with an alibi. Key Themes & Outcomes
"Criminal Minds" Doubt (TV Episode 2007) - Cast and crew credits, including actors, actresses, directors, writers and more. Criminal Minds Season 3 Episode 1: "Doubt" summary [S3E1] Doubt
: While Tubbs is in custody, another student, Katie, is murdered. This creates "doubt" within the team, particularly for Gideon, who begins to question if they have the wrong man. : It is later revealed that Tubbs was
: The team arrests Nathan Tubbs , a security guard who fits their profile of a serial killer targeting young women. particularly for Gideon