MSNBC Dateline August 31, 2019 09:34:00
Claimed she did and did not hear that night -- >> hear anybody scream? >> no. >> hear the dogs? oh, you hear the dogs barking? >> yeah because they were outside our window. >> reporter: but, after almost two hours in, as investigators pushed her, sandra seemed to tweak this key element of her story -- >> actually i don't even remember hearing the dogs. my husband's the one that says he's got better hearing than i -- >> reporter: of course, the change-ups in sandra's story could be attributed to shock. but, as the detectives viewed it, sandra was being deliberately evasive. enhancing her story ...