All of this is very interesting, but is not yet ready for Prime Time by any means. Humoral changes after death are many and extremely varied. Of course, DNA structures are now being looked at the University of Perth, Australia, in Spain and elsewhere.
Another current look at “gene expression” research in TOD research.
Here’s the old-school look at TOD determinations.
More comments on a ‘mathematical’ approach to the many factors being studied.
Here’s a case from a previous blog on how TOD can be botched at the initial crime scene and then allows Prosecutors to spin their stories at trial.