. >> reporter: and stacey's mother, judie eaton, says from the very start, david castor did not like his new role as step-father. >> after they got married, he did not like having the daughters. things got very strained with the girls. >> david was difficult with the kids. he expected them to do everything that he said without question. and being my children, they questioned everything. and that created a lot of problems. >> reporter: it was the oldest, 17-year-old ashley, with whom he fought the most. and that relationship would only grow more difficult. what would he say about ashley? >> selfish, disrespectable. >> reporter: dani and mike colman have been friends with stacey for many years. >> he didn't like the girls. didn't like the girls. >> at first, we really didn't like him. >> reporter: what didn't you like about him? >> just his attitude, like, he said he didn't want to be our father, but then, he was trying to be. >> reporter: it all seemed to reach a breaking point, the weekend of david castor's death. stacey says the couple was supposed to go away. her husband grew angry