: Uses his background in explosives and ATF experience to analyze the bomb fragments.
: "Imagination is more important than knowledge. Knowledge is limited; imagination encircles the world". [S1E3] Won't Get Fooled Again
The investigation reveals the "copycat" is actually , an antiquities dealer who used the bombings as a cover to murder an elderly woman, Barbara Keller, who had discovered he was selling forged coins. Key Characters and Roles : Uses his background in explosives and ATF
: The incarcerated master bomber who mocks Gideon but ultimately provides the key to deactivating Walker's final bomb. The investigation reveals the "copycat" is actually ,
Watch this breakdown of the investigation and the psychological battle between Gideon and Bale: Won't Get Fooled Again | Criminal Minds Wiki | Fandom Contributors to Criminal Minds Wiki Criminal Minds Wiki• Mar 18, 2026 "Criminal Minds" Won't Get Fooled Again (TV Episode 2005)
" Won't Get Fooled Again " is the third episode of the first season of the crime drama , which originally aired in 2005. Plot Summary