You know, RA put himself at the park between 1:30 and 3:30. Presumably unprompted.
Why?
IMO that could mean -- either he was also there earlier (twice) in the day and didn't want to cop to that or he had a real alibi for the morning...
So why 1:30? And why 3:30?
If he is BG as charged, he is the only living person who knows what time the girls were murdered.
Assuming he is the figure the witness saw walking along the roadway, he didn't leave at 3:30.
FWIW I think RA was confident there was no digital connection to either girl (the A_S and E_A accounts buried behind apps and resets) and was unaware he'd been recorded so he was comfortable saying he arrived at 1:30.... and I think he felt comfortable saying he left at 3:30 because, again, he didn't know Libby recorded the abduction or even that the girls had a scheduled pick up time. His presplain: if he's "gone" by 3:30, and something bad happened to the girls after 3:30, he was in the clear. He couldn't be the person who spent time with them and murdered them at/around/after 4-4:30.
It doesn't matter whether he adjusted that time later (other than the fact that he did) because he was bound to it by the store video, the group of juveniles, Kelsi, the walker and Libby's video, all timestamped. The truth of his admission -- he was in fact there from 1:30 to 3:30.... he just didn’t LEAVE at 3:30....
What will be both telling and damning -- his activity outside of 1 to 5. Did he work that morning? Did he use his cellphone? Any funky resets on his devices? When did activity drop off and when did it resume? Was KA interviewed? Could she recall any helpful details of the day? Day of a crime that had everyone talking but also the day before Valentine's Day. If RA returned to an empty house, he could have showered, dressed, been mowing the lawn when next seen. Dinner, maybe same as every day. Nothing to see here, RA just RAing...
I can't count the number of threads here, where after committing murder, murderers sup. They aren't sneaky, sweaty, nervous, suspicious. They're just hungry. It's part of the incongruity for family members and nearby witnesses -- couldn't be my husband, couldn't be my neighbor -- because they were acting normally.... (and not how one might, erroneously, imagine a murderer would act, after murdering).
I'm just really curious what RA's ACTUAL alibi for before and after the crime time. He will have one, because he really was somewhere before and after and LE will have that worked out. Neighborhood ring video, sadly long overwritten, but there will surely be corroborating data of some kind. Maybe he stopped for gas or a soda or the infamous trip to Walmart so many murderers make. Hopefully, if good video has been erased, he'll have left a financial trail to help tie down his minutes.
Digital forensics is the new DNA -- he'll have a string of it.
IMO there will be NO EVIDENCE that RA was at home or at work between 1 and 5 that day, especially including at 3:30/4. And NO EVIDENCE can be powerful evidence.
JMO