: The BAU sets up a fake ransom drop involving Cheryl. When Shyer attempts to abduct her, he is forced to flee after a shootout with Agents Hotchner and Morgan.
: Gideon realizes Shyer is the kidnapper after noticing he called Mr. Davenport by his first name—a sign of social familiarity that most local agents didn't have. The team eventually tracks Shyer to his hideout to rescue Trish. Production Notes [S1E5] Broken Mirror
The investigation takes a sharp turn when the team learns Trish is an identical twin. Her sister, , arrives and the BAU quickly realizes the kidnapper's ransom demand is a ruse; his true objective is to "have them both". The UnSub: Vincent Shyer : The BAU sets up a fake ransom drop involving Cheryl
The "Unknown Subject" (UnSub) is identified as , a local FBI agent and family friend who was part of the investigative team. Davenport by his first name—a sign of social
: Features series regulars Mandy Patinkin (Gideon), Thomas Gibson (Hotchner), Shemar Moore (Morgan), Matthew Gray Gubler (Reid), and Lola Glaudini (Elle).