When Kathleen Peterson was found at the bottom of a staircase in her home, all eyes turned to her husband, Michael Peterson. But did he do it? Did she fall down the stairs? Or was it something so much weirder than that? Join us as we get to the bottom of the staircase.
The Wrap article on Duane Deaver
Expert Institute article on blood spatter analysis
Obama White House Findings on Forensic Evidence