Secrets Underground

9:00 PM to 10:00 PM

Friday 1 August

Capone's Escape Tunnels

Season 1 Episode 3 of 8

Rob Nelson investigates rumours of secret underground escape route used by infamous gangster Al Capone. Plus, mysterious earthen mounds in Washington State

Secrets Underground airs on Discovery History at 9:00 PM, Friday 1 August. (Subtitles.)

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