Listening to the Audio from the RV, if you listen carefully, there are different inflections in the voice, while she's repeating mostly the same thing, the voice starts changing toward the final blast. Leading me to believe a woman was actually in the RV simply talking into a bullhorn before blowing herself up.
This is a stretch of course. I thought this earlier, now that they are saying that they found human remains, i'm starting to think it more.
recordings that are looping over and over don't sound like that audio recording.
Also a lot of mentions of a 15 min countdown, and then nothing happened, and then 15 mins later it blew up.
The messaging from the RV kept changing. which is not consistent with a broken record player effect.