The Prisoner's Shirt is an item that Henry Townshend must pick up in Silent Hill 4: The Room. Henry can find the shirt during his second visit to the basement's death chamber of the Water Prison. The shirt is inscribed with a message in wax.
In order to read it, Henry must first dunk the shirt in his apartment's bathroom tub, which has inexplicably filled with blood early on in the game. The blood reveals the message written on the shirt, which must be read for Henry and his neighbor, Eileen Galvin to escape the Water Prison World. The note reads:
- "My room is on the 2nd floor and I had to drink something with black things in
- it. I hid the sword with the triangle handle under my bed. That guy, the fat
- one, took the basement key. Next time I'll stick this triangle sword into that
- pig and take the key."
After viewing the message, the ghost of Andrew DeSalvo, who was recently murdered by Walter Sullivan, now appears in the basement spiral walkway. As indicated by the note on the prisoner's shirt, Andrew holds a key that Henry needs in order to escape the prison. To take the key; however, Andrew must first be pinned down using any Sword of Obedience.