so, when jon corwin reported that his wife erin had disappeared. it was natural.k at him. >> so, like, with any investigation you start closest to the source of the missing person. so we had a lot of questions for jon. >> reporter: investigators learned that once childhood sweethearts erin and jon settled in twentynine palms, things were far from perfect. >> their relationship wasn't intertwined. we knew that it was a relationship that was probably starting to dwindle. >> reporter: there was her miscarriage in early 2014. jon says it was heartbreaking, and erin had trouble coping. >> she became very enclosed and depressed and would stay at home. and i'm definitely not the one that actually speaks out on his emotions. i've always kept them bottled up my whole life. she felt like i didn't care about it. and i did and it actually hurt me a whole lot. it really took a toll on our relationship. >> reporter: and erin's mom, lore, knew that the young married couple also had money problems. >> we gave each of our kids a certain amount of money when they got married. and t