The jury in the trial of the so-called 'Doomsday Mom' were presented with more graphic evidence on the 17th day of Lori Vallow's murder trial, as witnesses representing the FBI and Idaho State Police took the stand. In addition, a woman named Samantha Gwilliam. the sister of Chad Daybell's late wife Tammy Daybell, also took the stand, and told jury how she found out about her sister's death. FOX 10 Investigator Justin Lum has more.