AIBOU: Tokyo Detective Duo (2002)

S3E16 Letters from the Grave

Title: Secrets of Alcatraz Plot: When a skeleton is unearthed on Alcatraz Island, it is revealed to be that of an inmate who allegedly fled during the 1950s. As investigators delve into the mystery, they uncover the dark history surrounding the infamous prison, piecing together the convict's life and the truth behind his escape. The discovery raises questions about the fate of other prisoners and the secrets that the island has kept hidden for decades, leading to a gripping exploration of the past.