Thanks so much for posting!
Some initial rough notes (interpretive paraphrasing) from the interview with the stepdad, part 1 (haven't seen part 2 yet with the mother):
In the video, the stepdad said Diana never cooked, only used the microwave.
Diana's room is right next door to her parents, and across from a door that was left unlocked.
Stepdad said he can be a heavy sleeper.
His friend? told him he saw a white minivan at the Mexican restaurant down the street (Roses?) between 2:30 and 4:30am (the time frame the stepdad suspects Diana went missing). The description of the driver he provided in video (white, facial hair), and LE is supposedly checking the cameras there.
He also said Diana knew a lot of people in Okeechobee, where she previously lived with her mother before they were married, but he said she doesn't know many people here.
He said he didn't know what she was wearing bc she yelled "goodnight" from her room (he was in his room watching tv).
He said there were no computers in the house, but the TV had wifi. Diana would look at music and movies on his phone, but the father could see what she had been viewing bc she didn't know how to delete it.
So, Diana has 2 younger brothers, if I understand correctly, who are the bio dad's. The little baby boy is the stepdad's.
The green blanket had leaves on it.
He doesn't think she could have gone out the window.
The stepdad called the roommate, GD, and casually was like "what's up man, where you at", so as to not arise any suspicion. GD said he was In Orlando. He said the phone disconnected, or GD hung up, and didn't answer the phone after that, if I understood all this correctly.
The stepdad doesn't seem to know what to think. He wonders could she have seen someone or gone off with someone she met or knows.
*one thing I noticed was the mention of the bus stop (referring to where the mother might currently be, taking the kids to school).
The dog, pit bull, sleeps outside, right there outside the door that was left unlocked, in an enclosed porch type area, if I understood correctly. He said he barks at everyone, the neighbors, even his own mother.
He said Diana was very smart (and wouldn't go off with a stranger, or something like that?); she has the intelligence of a 17 to 18 year old.
He said the stepmother came over all aggressive, etc, that if she really wanted to help she would try to talk with all of them, he doesn't want her on their property just causing trouble, she doesn't know anything about them, or something like that.
His wife cooks/cooked for people (and sold the food? Was that in Okeechobee?). And that's how they know the roommate GD? (Is it GD or GT?)
*please feel free to correct anything I might have misinterpreted.