patrick peacock and chris rittenmeyer were diving called closer look you can see from the video given to us from a different group of divers, unfortunately not the first time people have died. >> kera mashek diving into the area and what makes it so dangerous. >> and underwater wonderland. but there is a huge sign at the entrance warning you of the dangers before you go down under. the huge network of underwater attracts divers from all over the world. >> it is entirely different. >> the intricacies can be navigated safely but only by highly trained divers. over the past 30 years at least 10 divers have died while exploring here including patrick peacock and chris rittenmeyer the men that were found dead this morning. the danger has steps up to 200 feet can sometimes cause the unexpected. for the new people it is nitrogen narcosis. you have a lack of judgment. you lose some inhibition. for some people they may freeze up and do a whiteout. >> the wildlife management area closed off the eagles next section partly because of safety concerns and after some underwater network some have cal

patrick peacock...and chris rittenmeyer both had extensive cave diving experience. a while the other two made their way down... but they never came back up. after 4 hours... their friend called for help. but rescue divers couldn't find the men until early yesterday morning. they recovered their bodies ... 260 feet below the surface. what went wrong still isn't clear. at least half a dozen other people have also died in that same cave. accused of trying to kill george zimmerman... gets 20 years in prison. once again... the court system sided with the former neigborhood watchman. and it turns out... the courtroom where yesterday's sentencing took place... was the same one where zimmerman was acquitted 3 years ago. zimmerman was found not guilty in the shooting death of trayvon martin. now 3 years later he's on the other side of the courtroom. during apperson's appeal... zimmerman went before the judge asking her to keep him behind bars. he says being back in courtroom 5-d was strange. meanwhile-- the judge ordered apperson to be held in jail during the appeals process

patrick peacock and chris rittenmeyer were friends, and experienced divers? but they'd taken on the eagle's nest - a dangerously deep labyrinth for divers sot: i dont believe that at anytime did they think they were at risk, until the very end below the serene clear water are these serpentine caves - they extend for up to 2000 feet and require a diver to dive up to 300 feet? down? [gfx] it's so cavernous that it took emergency divers a full day to find them and pull them to the surface from the part of the cave known as "the pit" sot sheriff al nienhuis - if you results, if even one little things goes wrong the eagle's nest cave has now claimed ten lives since 1981. [gfx] so deadly officials installed this sign - reading - prevent your death go no farther? nats officials who are examining the two divers' air tanks - havent yet said what specifically caused the accident? but at the depths of nearly a football field where your lungs squeeze to the size of your fist ...one of the biggest dangers - nitrogen narcosis: chuck walls a scuba center sot (wfts pkg) - ju

patrick peacock and chris rittenmeyer were diving called closer look you can see from the video given to us from a different group of divers, unfortunately not the first time people have died. >> kera mashek diving into the area and what makes it so dangerous. >> and underwater wonderland. but there is a huge sign at the entrance warning you of the dangers before you go down under. the huge network of underwater

. >> reporter: chris rittenmeyer bodies were recovered sunday, 260 feet down. >> he would never leave him. the other guy would never leave chris. . i'm proud of him for that and also sad by that. >> reporter: do you think if anybody one was in trouble the other would never leave the other behind? >> never, never. that is not the way they are trained and never the system. >> reporter: the eagles nest cave is composed of three different tunnels and parts of 300 below the surface. the two were experienced divers. they had both been in the depths of eagles nest recently as friday, part of a weekend long plan to explore the cave. >> it wasn't like they were a couple of yahoos who went in there, you know, with no training or anything else. done properly, it's a very safe endeavor but so is sky diving. >> reporter: from 2010 to 2013, 12 cave diving deaths in the u.s. and two in the eagles nest divers lobbied to open it in 2003. ron rittenmeyer wants it to remain that way. >> there is always something going to go wrong. >> reporter: how are you and your family coping underwater caves. >> real

patrick peacock and chris rittenmeyer were friends and experienced divers. but they had taken on the eag eagle's nest, a dangerously deep labyrinth for divers. >> i don't believe at any time they thought they were at risk until the very end. >> reporter: below the clear require a diver to dive up to 300 feet down. it's so cavernous it took emergency divers a full day to find them and pull them to the surface from the part of the cave known as the pitt. >> if you're an experienced cave diver, it can have very tragic results. even if one little thing goes wrong. >> reporter: the eagle's nest cave has now claimed ten lives since 1981. so deadly that officials installed this sign reading prevent your death. go no officials who are examining the two divers' air tanks haven't yet said what specifically caused accident, but at the depths of nearly a football field where your lungs are squeezed to the size of your fist, one of the biggest dangers is nitrogen narcosis. >> you have a lack of judgment and lose some of your inhibitions and stuff like that. for some peop