After the doctors told me I had five days to live, my young wife leaned over and whispered, “I've been p0is0ning you for months. When you're gone, your $82 million will belong to me and my lover.” I didn't argue—I quietly signed one document that turned her celebration into a murder investigation.

The Cook County Forensic Medical Center sat under the harsh white lights of the city’s industrial district. Inside Autopsy Suite B, the air was cold, smelling intensely of formaldehydes, stainless-steel cleaner, and copper.

Dr. Aris Thorne, the Chief Forensic Pathologist, stood over the autopsy table. He was a middle-aged man with sharp gray eyes, wearing a blue surgical apron, heavy rubber gloves, and a magnifying visor pushed up onto his forehead.

Standing near the door, wearing protective paper gowns, were Marcus Vance, Lucas Bennett, and Lead Detective Thomas Brandt of the Chicago Police Department Homicide Division.

Dr. Thorne stepped away from the body, pulling off his outer gloves with a sharp snap. He walked over to a high-resolution digital display mounted on the wall, which displayed complex chemical spectrographs and microscopic tissue scans.

"Detective Brandt, Mr. Vance," Dr. Thorne began, pointing a laser marker at a series of spiking red graphs on the screen. "We completed the preliminary toxicology screening three hours ago. Under normal protocol, a patient with Mr. Mercer’s cardiac history would show therapeutic levels of digitalis—typically between 0.8 and 2.0 nanograms per milliliter of blood serum."

"And what were Jonathan’s levels, Doctor?" Marcus Vance asked, his cane resting firmly on the floor.

Dr. Thorne shifted the display to a high-magnification organ tissue analysis.

"Jonathan Mercer’s blood serum level at time of death was 14.2 nanograms per milliliter," Dr. Thorne stated gravely. "That is seven times the upper limit of human tolerance. His myocardial tissue is literally saturated with cardiac glycosides. This was not a sudden cardiac failure, Detective. This was a massive, sustained, acute digitalis poisoning."

Detective Brandt—a veteran homicide investigator with cold blue eyes and a heavy mustache—pulled out a small leather notepad and wrote down the figures. "Could this have been a prescription error by the hospital staff?"

"Virtually impossible," Dr. Thorne replied, shaking his head. "We audited the hospital’s automated pharmacy dispersion logs for Room 814. The floor nurse administered standard oral doses of 0.125 milligrams daily, strictly accounted for. To achieve a serum level of 14.2, someone was introducing concentrated liquid digitalis directly into his food, water, or IV lines over a period of at least ninety to one hundred and twenty days."

Lucas stepped forward, his heart pounding in his chest. He pulled a sealed plastic evidence bag from his coat pocket and set it on the stainless-steel counter.

"Doctor," Lucas said, his voice steady. "Mr. Mercer gave me this two nights ago. He told me his wife was bringing him daily heart supplements in gelatin capsules. He pretended to swallow them, but kept them hidden."

Dr. Thorne picked up the evidence bag, examining the six small, clear capsules inside. "If these contain unrefined foxglove extract or industrial-grade digoxin powder, we can run a mass spectrometry match against the tissue samples taken from his liver."

"Do it immediately," Detective Brandt ordered. He turned to look at Marcus Vance. "Mr. Vance, does the private security video from the hospital smoke detector show Mrs. Mercer handling these specific capsules?"

"It shows Mrs. Mercer introducing liquid drops into his water glass on three separate occasions over forty-eight hours," Vance answered, pulling an encrypted flash drive from his vest pocket and handing it to Brandt. "Along with complete high-definition audio of Mrs. Mercer stating—and I quote—'The digoxin did its job. In tiny doses, it helps a weak heart. In the wrong doses, it slowly destroys it.'"

Detective Brandt took the flash drive, his jaw tightening beneath his mustache. He turned to his junior partner standing near the door.

"Get a judge on the line," Brandt barked. "I want a first-degree murder warrant for Victoria Mercer, and a material witness arrest warrant for Raymond Cross. Issue an immediate border stop with Homeland Security. I don't want either of them getting near an airport."

Lucas stood quietly beside the stainless-steel table, looking at the covered form of Jonathan Mercer.

You did it, Mr. Mercer, Lucas thought, his hands clenching into fists. You laid the line, and she walked right into it.

At that moment, Lucas’s phone vibrated in his pocket. He pulled it out and looked at the screen. It was a text message from the chief administrator at Boston Children's Hospital:

FIRST WIRE TRANSFER OF $1.2 MILLION RECEIVED FROM THE BENNETT TRUST. CHLOE'S SURGERY HAS BEEN SCHEDULED FOR THURSDAY MORNING AT 8:00 A.M.