evidence: Epstein's was one of several high-profile prison deaths in recent years. A year before Epstein died in the MCC, notorious Boston mob boss Whitey Bulger was murdered in a West Virginia federal prison. And on June 10, Ted Kaczynski, the so-called Unabomber who murdered three people and injured 23 more in mail bombings that spanned 17 years, died by suicide in a North Carolina federal prison medical center.