Chapter 2 - The Doctor Everyone TrustedNathan Mercer did not panic when the school called.
That was the first thing investigators later remembered.
Most parents, told that their seven-year-old daughters had disappeared during school hours, would have become frantic. They would have shouted questions, demanded searches, called relatives, and driven toward the school before the conversation ended.
Nathan became quiet.
Then he asked one question.
“Did anyone call the police?”
The school secretary told him she had.
Nathan thanked her calmly and ended the call.
Across town, Officer Callahan rode in the ambulance with Lucy while Hannah lay beneath a thin white blanket.
“Is she going to die?” Lucy asked.
“No one has told me that.”
“But maybe?”
Terrence hated lying to children.
“The doctors are going to help her.”
Lucy stared through the rear windows.
“My daddy is a doctor.”
“I know.”
“He helps everybody.”
Terrence looked at her.
“Does he help you?”
Lucy did not answer.
That silence followed him all the way to St. Matthew’s.
The moment the ambulance arrived, the emergency department transformed into controlled chaos. Hannah was rushed through double doors while Lucy was placed with a pediatric nurse and hospital social worker.
Terrence found Detective Mara Bennett waiting near reception.
Mara had spent twelve years investigating crimes against children and vulnerable adults. She was forty-three, sharp-eyed, patient, and almost impossible to intimidate.
Terrence handed her the evidence bag containing the syringe.
“Father is Dr. Nathan Mercer.”
Mara’s expression changed.
“You’re sure?”
“He’s listed as prescriber on multiple medications for Hannah.”
She glanced toward the treatment rooms.
“Mother?”
“Emily Mercer. Seven-year-old says she hasn’t seen her since Sunday. Father says she left the family.”
“And the kid doesn’t believe him?”
“Mother’s everyday shoes are apparently still at the house.”
Mara exhaled slowly.
“What else?”
“The girl says he medicates the mother too.”
Mara looked through the glass toward Lucy.
“Has anyone contacted Mercer?”
“The school may already have.”
“That means our clock is running.”
They requested officers be sent to the Mercer residence immediately—not to search it, because they did not yet have a warrant, but to conduct a welfare check and secure anything visible if circumstances justified it.
Meanwhile, hospital staff worked on Hannah.
Twenty-three minutes later, Dr. Kevin Rhodes emerged from treatment.
Terrence knew him only by reputation. Rhodes was an emergency physician in his late fifties who had no patience for hospital politics.
“How is she?” Mara asked.
“Stable right now.”
Terrence released a breath.
“What happened to her?”
Rhodes lowered his voice.
“We’re still running tests. I’m not giving you speculation.”
“Could she have been given something?”
“That is consistent with what we’re seeing.”
“Something prescribed?”
Rhodes hesitated.
“You need to understand something about Nathan Mercer.”
Terrence expected praise.
Instead, Rhodes said, “He knows exactly how this hospital works.”
Mara narrowed her eyes.
“What does that mean?”
“It means if you’re investigating him, don’t discuss it where anyone can overhear you.”
Before Mara could respond, a voice came from behind them.
“What happened to my daughters?”
Nathan Mercer strode into the emergency department.
He wore a charcoal suit beneath a dark overcoat. Rain dotted his shoulders. His expression was perfectly arranged between concern and disbelief.
“Where are they?”
Mara stepped into his path.
“Dr. Mercer?”
“Yes.”
“I’m Detective Bennett.”
“My children?”
“One is receiving medical care.”
Nathan’s face tightened.
“What happened?”
“That’s what we’re determining.”
“I need to see Hannah.”
“You’ll have to wait.”
He stared at her.
“I’m her father.”
“And right now there are questions regarding what she may have ingested.”
For the first time, Nathan’s composure flickered.
Barely.
“What did she tell you?”
Mara noticed the wording.
Not What happened?
Not What did doctors find?
What did she tell you?
“I haven’t said Hannah told us anything.”
Nathan blinked.
Then he smiled faintly.
“You said there were questions. I assumed she must have said something.”
Mara held his gaze.
“Lucy gave us an empty syringe.”
Nathan’s jaw shifted.
“My children play with medical supplies all the time. I’m a physician.”
“She says you gave Hannah medicine this morning.”
“Lucy is seven.”
“So is Hannah.”
“Exactly. They invent stories.”
Terrence stepped closer.
“Where is your wife, Doctor?”
Nathan turned toward him.
“My wife?”
“Emily.”
“She left.”
“When?”
“Sunday evening.”
“Where did she go?”
“I don’t know.”
“You didn’t report her missing?”
“My wife is an adult. We’ve been having marital problems.”
Mara spoke softly.
“Did she take her vehicle?”
Nathan paused.
“No.”
“Her phone?”
“Yes.”
“Clothes?”
“I didn’t check.”
“Shoes?”
His eyes moved toward her.
That was enough.
Mara realized Lucy had been right.
The shoes mattered.
Nathan straightened.
“I would like to speak to my daughters now.”
“That won’t be happening yet.”
“You can’t keep me from my children without cause.”
Mara nodded.
“You’re correct.”
He seemed surprised.
“So move.”
“We’re obtaining the appropriate emergency protective order.”
Nathan stared at her.
The mask finally cracked.
Only for a moment.
His eyes hardened.
Then the hospital intercom chimed overhead.
A nurse rushed from Hannah’s room toward Dr. Rhodes.
“Doctor.”
Rhodes followed immediately.
Nathan moved after them.
Terrence blocked him.
“Step back.”
“That is my daughter!”
“You need to stay here.”
Nathan raised his voice.
“You have no idea what you’re doing.”
People in the waiting room turned.
Mara watched him carefully.
“What would we be doing wrong?”
Nathan looked toward Hannah’s room.
Then he lowered his voice.
“If you interfere with her medical treatment because you believe the nonsense of a frightened child, you could kill her.”
Mara did not move.
“Who said we were interfering with anything?”
Nathan realized too late that he had revealed something else.
He knew Hannah’s condition might become dangerous.
And he seemed to know why.
An hour later, officers reached the Mercer house.
Nobody answered.
Nathan had apparently driven directly to the hospital after receiving the school call.
Through the front windows, Officer Grant Pierce saw nothing obviously suspicious.
Then his partner walked toward the detached garage.
“Grant.”
Pierce joined her.
A sedan sat inside.
Registered to Emily Mercer.
Her purse was visible on the passenger seat.
They called Mara.
“The wife’s vehicle is here.”
“What about her phone?”
“Can’t tell.”
“Anything else?”
Pierce looked toward the side door leading into the house.
“There’s something strange.”
“What?”
“The security keypad is smashed.”
“Recently?”
“Looks like it.”
Mara’s voice sharpened.
“Do not enter without legal justification. Secure the perimeter.”
Pierce turned.
Something caught his attention near the trash containers.
A blanket.
Mud stained one corner.
He walked closer but did not touch it.
A small dark stain marked the fabric.
He photographed it.
At the hospital, Mara received the image.
Nathan was sitting twenty feet away with a hospital administrator who had suddenly arrived to defend one of the institution’s most prominent physicians.
Mara looked from the photograph to Nathan.
Then Dr. Rhodes returned.
He motioned her aside.
“We have preliminary toxicology.”
“What did Hannah ingest?”
“I’m not going to name anything until confirmation. But I can tell you this.”
He looked toward Nathan Mercer.
“This was not a normal childhood accident.”
Mara’s stomach tightened.
Rhodes continued.
“Someone with medical knowledge could have predicted what it would do.”
Mara glanced toward Lucy.
The little girl sat wrapped in a hospital blanket, drawing two stick-figure girls holding hands beneath a yellow sun.
“Can Hannah tell us who gave it to her?”
“She’s conscious.”
Mara entered the room with a child-interview specialist.
Hannah looked tiny against the hospital bed.
The specialist introduced herself.
Nobody mentioned Nathan.
Nobody suggested an answer.
Eventually, Hannah whispered, “Daddy said I needed to get sick.”
Mara kept her voice neutral.
“Why?”
Hannah’s eyes filled.
“He said then Mommy would come home.”
“Did you see your mommy leave?”
Hannah shook her head.
“Where did you see her last?”
Hannah looked toward the closed door.
Then she raised one trembling finger.
Not toward the house.
Not toward the driveway.
She pointed down.
“Daddy took Mommy to the basement.”
Mara felt every muscle in her body tense.
“What happened after that?”
“I heard Mommy crying.”
“When?”
“Sunday night.”
“Did you see her Monday?”
Hannah shook her head.
“Tuesday?”
Another shake.
“What did Daddy say?”
Hannah’s voice became almost inaudible.
“He said Mommy went away.”
Mara stood.
She walked into the hallway and called the prosecutor.
“We need a warrant for the Mercer residence immediately.”
“How strong?”
“Strong enough.”
Nathan saw her making the call.
Their eyes met across the corridor.
And suddenly he stopped arguing.
He stood.
Put on his coat.
And walked toward the hospital exit.
Terrence stepped after him.
“Dr. Mercer?”
Nathan kept walking.
Mara moved quickly.
“Stop him.”
Nathan turned.
“Am I under arrest?”
Not yet.
That was the problem.
Mara approached.
“We need you to remain available.”
“Then call my attorney.”
He smiled, but there was nothing warm in it.
“You’ve made a serious mistake, Detective.”
He left.
Twenty minutes later, the search warrant was signed.
Forty minutes after that, Mara stood in Nathan Mercer’s basement.
It was immaculate.
Too immaculate.
Freshly cleaned concrete.
Shelves organized with clinical precision.
No dust.
No clutter.
No Emily.
Then Officer Pierce noticed scratches on the floor beneath a heavy storage cabinet.
Four officers moved it.
Behind it was a narrow door.
Locked from the outside.
Mara’s pulse pounded.
They forced it open.
Inside was a windowless utility room.
On the floor lay a thin mattress.
A water bottle.
A sweater.
And beside the wall—
Emily Mercer’s phone.
Mara picked up an evidence marker.
Then Pierce whispered behind her.
“Detective.”
He was staring at the wall.
May you like
At seven small words scratched into the painted concrete.
NATHAN WILL MAKE THE GIRLS SICK NEXT.
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