Lori Vallow Daybell, Dateline NBC

A new of "Dateline" is coming Friday, March 14, with a shocking case about 2013 murder of a beloved middle school art teacher ...
Lori Vallow Daybell was convicted of killing two of her kids, and her only surviving child, Colby Ryan, says his siblings' ...
Lori Vallow Daybell, convicted of murdering two of her children, sat down for her first TV interview with "Dateline," here is ...