Michael needs to know if his cellmate, Fernando Sucre, can be trusted with the escape plan. He hides a soap-carved "cell phone" in their cell to see if Sucre will report it. Although Sucre remains loyal and doesn't "snitch," he is terrified of the consequences and requests a cell transfer to stay clean for his fiancée, Maricruz.
"" (Season 1, Episode 3) of Prison Break centers on Michael Scofield's high-stakes attempts to solidify the first stage of his escape plan by testing the loyalty of those around him. Key Plot Points
Sucre's departure leads to the arrival of Charles "Haywire" Patoshik , a mentally unstable inmate who suffers from "neurogenic insomnia." Because Haywire never sleeps, he poses a major threat to Michael's ability to work on the escape route behind the cell toilet.
The episode was directed by , marking the first episode filmed after the series pilot. It is also notable for the promotion of Robert Knepper (T-Bag) and Paul Adelstein (Agent Kellerman) to the regular cast. "Prison Break" Cell Test (TV Episode 2005) - IMDb