There Was Something Odd About This Case From the Start

BREAKING:: Collin County medical examiner says cause and manner of death of #Frisco 10-year-old, Arnav Dhawan, UNDETERMINED.
— Jobin Panicker (@jobinpnews) March 6, 2014

From the original Fox 4 story: A Frisco woman charged with murder in the death of her 10-year-old son says she didn't kill him. Arnav Dhawan was found dead in a bathtub Dec. 30 at his parents' home.

Pallavi's attorney, David Finn, said Monday that the toxicology reports on Arnav are back, but they are being reviewed by the medical examiner and likely will not be made public for about a week.

Frisco Police said that Arnav's mother, Pallavi Dhawan, confessed to killing her son -- when asked by officers if she killed Arnav, they say she nodded her head, indicating yes. But Finn and Sumeet, Pallavi's husband, say that never nodded her head. More.

There's some indication that the kid had some medical condition in his history.  And if he died of natural causes, there's a cultural difference at work here as to why she would want to preserve the body for her husband to see before the police. Now throw in a corner's report of "We have no idea how this child died" and this case is going nowhere. A disputed head nod would be a crazy basis for a murder prosecution.