MSNBC Dateline October 12, 2019 07:09:00
Family brian's wife trish sometimes stepped in to referee their sibling rivalry. she was the disciplinarian? >> kind of. there was a specific way to do things. and you did it her way. and that's just what was expected. >> reporter: what did you think of trish? did you like her? >> she was wonderful. i loved her just like another mom. >> reporter: so she really was substitute mom in a lot of things, huh? >> she was. >> reporter: so the sisters will never forget that awful day in june 2003. emily just 11-years-old found herself standing by the swimming pool. >> trish was floating in the shallow ...