Bill Graves

A horrific killing, of a kind likely never seen before on television, tears apart the family of an Alaskan brown bear cub, and determines his chances of surviving in a wild grizzly kingdom.

Tigers are the largest feline predators on the entire planet. They will go to great lengths, even kill, in order to gain dominance over other males. That's the scenario that confronts filmmaker John Varty as two of his male tigers, Ron and Seatao, come head to head on his breeding ranch in South Africa. John captures raw footage of the tiger fight before he decides to...

Eyewitnesses share amazing wildlife encounters caught on tape. In New Zealand, two filmmakers witness an act of Octopus cannibalism. Tourists in California are shocked to see Killer Whales viciously attack a Dolphin. Surfers in Mozambique spot a monkey and a dog playfully fighting and teasing each other in a game of tag.

With little direction, except for a survivor's testimony and a cryptic clue, salvage expert Barry Clifford embarks on the search of a lifetime to uncover the nearly 300-year-old wreck site of the Whydah Galley and its four-and-a-half tons of treasure. The Pirate Code: Real Pirates brings to life "Black Sam" Bellamy—a legend during the golden age of piracy—and follows one man's quest to resurrect Black Sam's ship from its watery grave.

"The Perfect Murder" brings viewers some of the most diabolical, perplexing murder cases to land on detectives’ desks – the kind of cases that make or break careers and provide fodder for Hollywood mystery movies. These ingenious killers are every detective’s worst nightmare. Whether by planting false evidence, or writing anonymous letters to police, these murderers will stop at nothing to stay one step ahead and get away with the perfect murder. Detectives hit dead end after dead end, and wrong suspects are discarded. But one new clue can lead to another and the cold case suddenly gets hot. The truth is that it is the perfect murder -- until it's not.

Take a penetrating look at the psychological forces that drive a person to commit homicide. Whether motivated by childhood or adult struggles, each episode traces the perpetrator's torturous journey that ends in a stunning act of violence.

Caught In The Act 5 is A Documentary 2013 in Jun 3 2013. Nat Geo Wild On 2010s