Reaction to the Letter
For a long time, law enforcement was unable to solve the mystery of the famed Alcatraz breakout. They looked for it thoroughly but eventually had to set it aside to focus on other cases. Thus it remains unresolved. Decades later, a letter arrives saying the fugitives were successful. The letter was received in 2013, and it wasn't until early 2018 that the FBI decided to reopen their investigation, so they were understandably dubious at first. In what way was law enforcement intended to use this fresh “evidence”?