Drugs Map of Britain - Season 2

Drugs: A multi-billion-dollar industry that fuels crime and violence like no other substance on the planet. Turning cartel leaders into billionaires, the illegal drug industry also provides vital income to hundreds of thousands of poor workers across the globe. While some users sacrifice their lives to an addiction they can't escape, others find drugs to be their only saving grace from physical or emotional pain almost impossible to overcome. Where should the lines be drawn in this lucrative industry?

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

Death row inmates convicted of capital murder give a firsthand account of their crimes in this documentary series.

Eighty-five million acres make up the National Park System, and only 33 special agents nationwide are responsible for investigating crimes that occur on this public land. This documentary series follows the uniquely qualified team that leads the investigations as they seek to bring law and order to some of America’s most rugged and remote landscapes, tackling a new case each season.

Recently discovered police recordings and first-person accounts tell the story of Fred and Rose West, two of the UK's most prolific murderers.

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.

This compelling series investigates the motives and m.o. of female murderers. While males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.

An overgrown field and a stretch of highway connect a series of grisly murders spanning several decades as grieving families search for answers.

Interviews with friends, family and Sally McNeil herself chart a bodybuilding couple’s rocky marriage — and its shocking end in a Valentine's Day murder.

To detail how drugs push people into risky — even deadly — behaviors, a former CIA analyst investigates the economics of six illicit substances.