kratz. the other is cosmo denardo. denardo admitted he killed the men and buried their remains on his parent's farm. he also apologized. >> you admitted to killing four people. nothing to say, cosmo? >> i'm sorry. >> why did you do it? >> shepard: i'm sorry. the lawyer for denardo said his client confessed in exchange for prosecutor's agreeing not to seek the death penalty. somebody that claims to know denardo shared this recent snapshot photo of him. snap chat photo, with the philadelphia inquirer and the daily news. shows denardo pointing a gun. he suffers from a severe mental illness and spent time in a mental institution. according to court documents, denardo said that he and kratz killed the men after setting up deals to sell them marijuana. rick levinthal with more.