. >> there was one reason her ex-husband and father of her two children, steven mcdowell krystal, had only temporarily moved back in with him while her new townhouse was undergoing renovations. >> but she was a little worried. he had gotten a little possessive, maybe because he probably thought maybe there is hope for reconciliation. and so when the new boyfriend came into the picture, then that hope was gone. >> and there was even more disappointment. krystal had planned a cruise with her kids and her uncle. at first she invited her ex, steven, but then disinvited him and bought paul a ticket instead. >> i knew that they were having some some difficulties getting along, and i think she was ready to get out of the house. >> then harvey hit the night before the storm was predicted to make landfall. krystal stayed at paul's in the morning. his surveillance cameras captures krystal leaving and getting into her black mercedes, heading to her ex-husband's house to pick up her kids before the weather got too bad. >> she left here around seven in the morning. she probably arrived at steven's