Sunday

According to government statistics, there are an estimated 5,000 cults currently operating in the United States. And each year there are approximately 200,000 Americans who serve as secret--and, for the most part, willing--members. But just what are these cults? And what makes some so dangerous? We'll uncover the psychological allure of cults, their charismatic leaders and insidious methods of controlling their members. How do ordinary people become trapped in these fringe groups, apparently unable to leave? Led by compelling self-proclaimed prophets, cults are clandestine, influential and all too often, destructive. Are their goals religious, political or simply financial? How and why does the government monitor or intervene in some cults--yet seemingly turn a blind eye to other's secret and perhaps sinister agendas? Jonestown survivor Tim Carter remembers the last day of Peoples Temple, and the horrific aftermath.

The office of the President of the United States was designed to operate with greater transparency than any other world-leader... but how much do we really know about what goes on behind the doors of the Oval Office? This episode looks beyond the headlines to uncover the real stories behind the greatest White House scandals. What was President Nixon really trying to hide with the Watergate break-in? How much did President Reagan know about Iran-Contra? Why did Sandy Berger, President Clinton's National Security Advisor, remove documents from the National Archive? Did the Obama Administration know more about the attack on the U.S. Consulate in Benghazi than they let on? Former presidential advisors, historians, and journalists will reveal how much secrecy exists within the White House and what methods presidents use to cover up their actions or establish "plausible deniability."

This episode uncovers the conspiracies behind America's 40-year drug campaign. Why does the U.S. Government classify marijuana and heroin as equally dangerous drugs, and will the move by some states to legalize marijuana change the way this drug is viewed? Recent reports show that international banks are laundering billions of dollars in drug money--is it possible that the liquidity of the drug trade is actually keeping the fragile global economy afloat? Congressman Darell Issa connects the ill-conceived and secretive operation known as Fast & Furious to the explosion of violent drug cartels in Mexico. Former DEA officers Mike Levine and Celerino Castillo reveal allegations about secret drug running by the C.I.A. Hip-hop mogul Russell Simmons questions the possibility that drug laws are strategically being enforced to control minority populations. Could these shocking allegations be true?

Bigfoot is everywhere you look, but why are so many millions of Americans obsessed with this mysterious man-ape? This episode sheds new light on some of the nation's darkest Sasquatch secrets. Recent discoveries of previously unknown hominids and breakthroughs in genetic technology have given a nation of Bigfoot believers new hope that this creature will be found, but what new technologies are being developed for this centuries-old hunt? We'll join Steve Kulls, the "Squatchdetective" on a nighttime expedition for Bigfoot plus gets a first look at "The Falcon Project" -- a revolutionary new air ship that plans on taking the hunt 3,000 feet up into the sky. But what are U.S. citizens legally allowed to do if they do happen to encounter a Bigfoot? The answer may surprise you!

Over the last century there have been four successful presidential assassinations and a multitude of failed attempts. But do we know the real story behind these assassination plots? We'll look behind the headlines to the conspiracy theories that surround the most shocking murders in American History. What do John Wilkes Booth, Leon Czolgosz, Charles Guiteau, Lee Harvey Oswald and John Hinckley Jr. all have in common? According to experts, they were all mentally unstable. While this may explain their deranged obsession to kill the President, others believe this is evidence that all were patsies to a larger conspiracy. Former secret service agents reveal the secret methods used to safeguard the President of the United States. Bill O' Reilly reveals the elaborate conspiracy behind the murder of President Abraham Lincoln. And bestselling author Ronald Kessler examines whether an assassin could even infiltrate the Secret Service itself.

American treasure hunters are convinced that there are missing fortunes just waiting to be discovered all around the country. But is it a harmless hobby, or do treasure hunters find themselves locked in a battle with other searchers--or even the government? We'll investigate the deepest mysteries of missing millions. From secret stashes of Confederate gold bullion, to silver coins and antique weapons, treasure hunters are scouring the country for hidden clues that might lead them to untold riches. How do they decode encrypted treasure maps? In 1971, $200,000 went missing in America's only unsolved airplane hijacking. Can following the money help to uncover the true identity of mysterious hijacker D.B. Cooper? Could secret agreements with criminal art dealers help the FBI to solve America's biggest art heist? Is it possible that even our country's history is under threat from thieves and crooks?

No club in America is more secretive than the Hells Angels. Members are forbidden to publically discuss their biker brotherhood and others who have "insider" information are too afraid to talk... until now. Get the real story about the Hells Angels from all sides--from motorcycle world insiders to club infiltrators to law enforcement officials. Special Agent, Jay Dobyns, exposes the shocking reasons why he feels the U.S. government is failing in the war against motorcycle clubs. Charles Falco, a government informant now in the Witness Protection Program, divulges the secrets he learned about the Hells Angels during the time he spent as an undercover outlaw motorcycle gang member. How were the Hells Angels able to transform themselves from a small crew of California bikers, dedicated to booze and babes, to an international criminal syndicate--one the FBI says poses a threat to six continents and a corporation worth millions of dollars?

Political dissidents... armed to kill. Sociopathic outsiders... harboring hatred. Religious zealots... plotting mass destruction. And all of them hiding in plain sight. But just who are these killers in our midst and is there any way to stop them? This episode delves into the world of terrorism on American soil and reveals how authorities are working to stop these radical groups. Deputy Chief of LAPD Counter Terrorism Michael Downing reveals terrorists recruiting tactics in American prisons. Former Sergeant of the Massachusetts State Police Sean Murphy recounts the manhunt for the Boston Marathon Bombers. And journalist Laura Sullivan describes how today's new terrorists may be as close as your next-door neighbor. With an estimated tens of thousands of terrorists operating in the United States, can Americans ever reclaim the peace and security that was once taken for granted? Is there any chance of winning the so-called "war on terror?"

Discovery Channel's one-hour premiere Killing Bin Laden, provides an second-by-second account of the Bin Laden operation; from the time the crucial intelligence was gathered in 2010, to the burial of bin Laden at sea. With an international team of local reporters, fixers and cameras on the ground in Abbottabad, Pakistan, Killing Bin Laden delves into the details of how the operation was planned and executed, seeking to answer key questions that are to date unresolved, including: How many special ops forces were involved? From where did they deploy? How was facial recognition used to identify bin Laden? Why was one of the helicopters abandoned and destroyed? Killing Bin Laden will also investigate how intelligence gathered the information that led to bin Laden's hideout, including the tracking of a senior Al Qaeda courier.