Chapter 11 - The prosecutors separated two cases
The Newport County prosecutor refused to build one giant case out of everything.
That frustrated Mason at first.
The conservatory incident was straightforward.
Potential unlawful administration of medication.
Attempted poisoning was too strong a phrase given the dose and evidence of intent.
The appropriate charges centered on secretly drugging another person and related conduct.
Caroline’s death was different.
Older evidence.
Circumstantial.
A toxicology pattern that supported repeated exposure but could not identify the administrator with absolute certainty.
A child memory that needed careful handling.
A medical diary.
Charles’s possession of the drug.
His proven modern behavior using concealed medication.
Potentially powerful pattern evidence, but rules governing admissibility were complex.
The homicide review remained open.
The prosecutor told Mason:
“We do not get to call something murder because we strongly suspect it.”
Mason hated hearing it.
Then he remembered his own promise to Ava.
Truth even when it was incomplete.
Investigators reconstructed Caroline’s final evening again.
She ate dinner at 7:30.
Nora saw Charles pour tea for both of them around 9:15.
Caroline complained of feeling strange by 9:50.
The smart-speaker fragment suggested an argument around 10:21.
Charles called 911 at 10:43.
Could he have slipped prochlorperazine into her drink?
Yes.
Could the drug have contributed to the fatal arrhythmia?
Yes.
Could prosecutors prove beyond a reasonable doubt that he knowingly administered it that night?
Maybe.
Could they prove he intended to kill her?
That was much harder.
The evidence fit another theory at least as well.
Charles had been dosing Caroline to make her sedated and easier to discredit. On the final night, the drug interacted catastrophically with her underlying cardiac vulnerability.
If that was true, Caroline’s death could support serious criminal liability without necessarily being premeditated murder.
The medical experts debated causation.
Then one expert found something important.
Caroline’s blood concentration was higher than originally appreciated once postmortem redistribution was modeled using newer data.
The amount was still not enormous.
But combined with her sleep medication and genetic rhythm condition, it substantially increased risk.
The case moved closer to provable unlawful administration resulting in death.
Not a clean murder mystery.
A more disturbing reality.
Someone trying to control a woman may have killed her without intending to.
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For Mason, that possibility felt no less devastating.
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