In nearly a century and a half of continuous use, Boston's Charles Street Jail was a bustling crossroads where the famous and infamous rubbed elbows. Everyone from Whitey Bulger to a captured German U-boat captain to a future mayor of Boston--to name just a few--served time there. When it opened in 1851, the Charles Street Jail was hailed as a model for the humanitarian treatment of prisoners. Over time, though, as the jail grew increasingly outmoded,...