Beth's blog, Day 7:
On cross-examination, defense attorney David Kaloyanides pressed Sheridan on whether Erin could have been strangled as much as a day before she suffered the skull fractures and other broken bones. Sheridan it was possible.
Thank you, I found the link & context to your post that I queried.
http://erincorwinmurdertrial.blogspot.ca/2016/10/day-seven-autopsy-details.html?m=1
Given that Lee has confessed on the stand, it's rather a moot point now.