Analysing the Manifesto | Manhunt: UNABOMBER

Retired FBI criminal profiler and forensic linguist Jim Fitzgerald explains how the FBI was able to use the language of the Unabomber's manifesto to obtain an arrest warrant.

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Exclusive bonus content from Dr Karl!

Dr Karl's Outrageous Acts Of Science

Exclusive bonus content from Dr Karl!

Dive into hostile waters in Abalone Wars.

Abalone Wars

Dive into hostile waters in Abalone Wars.

Preview Bear Grylls: Breaking Point here.

Bear Grylls: Breaking Point

Preview Bear Grylls: Breaking Point here.

Join Bear Grylls as he reveals the true life stories of ordinary people trapped in extraordinary situations of survival.

Bear Grylls: Escape From Hell

Join Bear Grylls as he reveals the true life stories of ordinary people trapped in extraordinary situations of survival.

Preview this all new series.

Bear Grylls: Extreme Survival Caught On Camera

Preview this all new series.

Bear Grylls leads ten teams on an extreme survival adventure.

Bear Grylls: Get Out Alive

Bear Grylls leads ten teams on an extreme survival adventure.

Join the fearless crab fishermen of the Bering Sea.

Deadliest Catch

Join the fearless crab fishermen of the Bering Sea.

Mike Rowe has tackled some of the toughest jobs around the world, and now he\'s heading Down Under! Starts Thursday April 25 at 8:30pm (AEST/NZST).

Dirty Jobs with Mike Rowe

Mike Rowe has tackled some of the toughest jobs around the world, and now he\'s heading Down Under! Starts Thursday April 25 at 8:30pm (AEST/NZST).

Join Hollywood stars and top motorsport racers as they pit their cars against the most hostile places on Earth. Starts Sunday at 9:30pm (AEDT/NZDT).

Driven to Extremes

Join Hollywood stars and top motorsport racers as they pit their cars against the most hostile places on Earth. Starts Sunday at 9:30pm (AEDT/NZDT).

Follow the story of the California Gold Rush from its very beginning.

Gold Fever

Follow the story of the California Gold Rush from its very beginning.

See videos from the all new season of Gold Rush.

Gold Rush

See videos from the all new season of Gold Rush.

Hear from the cast and crew of Klondike.

Klondike

Hear from the cast and crew of Klondike.

Go behind the scenes with the team.

Magic of Science

Go behind the scenes with the team.

Celebrate the remarkable and inspiring life of Nelson Mandela.

The Making of Mandela

Celebrate the remarkable and inspiring life of Nelson Mandela.

Watch clips from Man V Expert here.

Man V Expert

Watch clips from Man V Expert here.

Join survival expert Bear Grylls as he takes on some of the harshest locations on the planet and shares invaluable survival strategies along the way.

Man Vs. Wild

Join survival expert Bear Grylls as he takes on some of the harshest locations on the planet and shares invaluable survival strategies along the way.

Find exclusive Manhunt videos here.

Manhunt With Joel Lambert

Find exclusive Manhunt videos here.

Find MythBusters videos here!

MythBusters

Find MythBusters videos here!

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Naked and Afraid

Take "survival of the fittest" to the next level.

Ed Stafford is alone and helpless.

Naked Castaway

Ed Stafford is alone and helpless.

Jeremy Wade uses his unparalleled knowledge to dive into an unknown realm – the vastness of the world’s oceans.

River Monsters

Jeremy Wade uses his unparalleled knowledge to dive into an unknown realm – the vastness of the world’s oceans.

It's all sharks, all the time.

Shark Week

It's all sharks, all the time.

Off the coast of Brazil, a legendary treasure awaits.

Treasure Quest: Snake Island

Off the coast of Brazil, a legendary treasure awaits.

Find out the science behind the best experiments and stunts posted on the Internet.

You Have Been Warned

Find out the science behind the best experiments and stunts posted on the Internet.

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