If leo’s run out of leads, expand the timeline to weeks, not hours.
Anyone in prison recently let out?
Check every peeper and domestic violence arrest.
They could announce an arrest at any moment or it could be years.
Motive is Revenge. Or Greed. Or Sex. (HT Kenny Maines)
One of those 3. No sign of sexual assault doesn't equate to it not being a sexually motivated crime.
Study the victims.
The Haine’s case
If the dad paid for a second autopsy, he knows injuries. Did he get a second autopsy?