Tammy Daybell’s friends and co-workers testified in an Ada County courtroom that she appeared happy and healthy on the day she died, contradicting Chad Daybell’s claims that she was frequently sick and in poor health. Prosecutors are working to build their case through witness testimony, with the focus this week being on Tammy’s death. Chad is currently facing charges of first-degree murder in connection with the deaths of Tammy and Lori Vallow Daybell’s children, JJ Vallow and Tylee Ryan. The trial is ongoing, and those interested can watch the proceedings by viewing the video player above.