MSNBC Dateline Extra December 23, 2019 04:55:00
>> reporter: the prosecutor pointed out, conrad's story evolved over time. immediately following the shooting on the way to the hospital, conrad insisted heidy would never commit suicide. >> i think something shot her or something. because she would never shoot herself. she'd never shoot herself. >> reporter: taylor argued it was only later after suspicion against conrad had mounted that he changed his tune. as for the gunshot residue on heidy's right hand, taylor called an expert to say it proved nothing. >> nobody can identify a shooter based on the results of this test. that is a major limi...