larry rudolph.three rivers dental group, we make going to the dentist affordable. >> he made more than the average dentist. >> white range rover, white interior, black trim, super sporty. all right, i guess he got some money. >> i've been doing some line hunting, having a great adventure. >> minutes after his wife is found with a giant shotgun wounded in his chest, he's worried about whether he's going to be a suspect? >> accident, suicide, murder? there's almost no evidence. all this is in zambia. why is the embassy involved? why the fbi? >> they're a wealthy, globe-hopping couple, both safari punt hunters, and one is dead. >> when is this nightmare going to be over?hunters, and one is >> when is this nightmare going to be over? ♪ >> zambia is in southern africa. it's landlocked above south africa. >> if you look at our country, it forms that middle part of africa and is called the smile of africa. >> and it shares victoria falls with zimbabwe to its south. zambia's wildlife and seeing the magnific