Former KGB agent Alexander Litvineko is a critic of Russia and possible MI6 informant living in London when he falls seriously ill in 2006. Re-tracing his steps police and doctors begin to suspect poisoning.

Drugs are reaching our shores in strange half-submarines, designed to challenge our high-tech tools to stop them. It’s a high-stakes war on the water.

Old school assets like diamonds need layers of high-tech protection. Even then, you'll find some dedicated crews with the patience and sophistication to craft a major heist.

See how a master thief and his team researched people's lives to gain information allowing them access to their bank accounts.

High tech changes were made to our currency in the '90s to deter counterfeiting, but undercover FBI agents in 2014 come across fake bills so perfect they're dubbed "superbills."

Les journeys to a remote community in British Columbia where sightings of the Bukwas, or Sasquatch, are common and belief in the creature is a given not a myth.

Les shows how to build a fire with the most basic items someone might take on a hike. His goal is to survive a cold Oregon night like a family did in a real-life survival story.

For the first time, Les Stroud takes a fan into the wilderness to survive alongside him. He starts with a surprise…Joseph McConnell gets only two survival items to take with him.

Les is recreating the story of a family lost in the Oregon woods. He's recreating it with a "surrograte family" who help him create a warm cocoon of bedding from ferns.

Les picks up Joe after leaving him alone for a night with only two items. He hopes Joe has been motivated by his experience to start learning survival skills from what he hears and observes.

Les makes his own fishing gear. Will he catch dinner?

As Les prepares to venture up a trail that has had reported sightings of the Bukwas, he finds an interesting and inexplicable display of bones and flattened grass.

Les uses a found lighter, wood and a rubber shoe to build a fire.

Les uses his tracking skills and keen observation of the big picture to explain what caused some strange signs in the woods that some might consider “mysterious.”

es starts his trek in the Caucus Mountains by organizing. He’s found something vital for any survival situation - a source of water. He rearranges hit survival kit to take as much as he can.

Les faces a fire ant infestation.

Les demonstrates thee different ways to catch fish, using minimal tools and resources.

Les creates a shelter from the rain.

Les looks over a vast forrest noting there is certainly room for an intelligent creature to go undetected, but proving whether it exists or not belongs in the hands of scientists performing observation based science.

When Les injures himself while making a fire, he must treat his hurt finger... using a hot needle.

Les is lost. He went downhill and almost over a cliff, only to face a dead end. After an exhausting climb back uphill to the road, he stops and reflects on his mistakes.