“At this sheriff’s office, when he showed up with her car and she was no place to be found, we would have never let him out of our custody that day,” Polk County Sheriff Grady Judd told reporters during a press conference about a childsting, Fox 13 reported.
https://nypost.com/2021/10/01/sheriff-wouldve-immediately-detained-brian-laundrie/
It's my understanding they have never even seen Brian since he returned, ever. They had nothing to hold him on, though most offices can find something.
But its not like NPPDhad him and let him go, they haven't seen or talked to him or am I completely wrong