February 13--girls go missing
February 14--girls found
February 15--autopsies performed from morning til past noon, preliminary results at 3 pm news conference, announced that they weren't disclosing method of death
Autopsies confirm bodies are those of 2 missing Indiana girls
February 17--BH interviewed by by FBI at Delphi police
March 1--"Tony Liggett stated in a report that there were no leads required concerning Brad Holder, meaning that it was not necessary for law enforcement to continue to look for leads related to Brad Holder."
March 16--"By March 16, 2023, Unified Command member Kevin Hammond wrote that “Brad Holder has been cleared.”
(quotes bout 3/1 and 3/16 from the memorandum in support of a Frank's motion
Adobe Acrobat)
Given that the bodies were found less than 24 hours after they went missing and the autopsy on Wed happened less than 48 hours after going missing, by Fri Feb 17 they would have a pretty good picture already of TOD--definitely enough to tell at the least whether they had been killed Monday afternoon vs middle of the night Tue.