and terra was something of a student of evil. she was a fan of the tv show "the walking dead." zombies. she had a feeling that evil was lurking in the life of john meehan. so did her sister. they knew he was hiding something, said reporter christopher goffard, and they were determined to find out what it was. >> they hired a private investigator to look into his past. >> reporter: debra, meanwhile, was in love. the newlyweds had settled into a simple life on newport's balboa island. debra, convinced she'd found the perfect man. even when sometimes things didn't quite make sense. like the time she picked up the mail, and saw a strange return address on a letter to her husband. >> reporter: you opened a letter to him? >> yes, i did. i was so curious. and he was irate. "that's fraud." you know, "i can't believe you did that." >> reporter: but what had caught her attention was that letter