The general did not answer.
Then Emily spoke.
"Marcus, I think we should examine the USB drive before making assumptions."
He looked at her.
"Why?"
"Because if Christopher left this here, there's a reason."
Marcus inserted the drive into an old computer.
The screen flickered.
A video file appeared.
FINAL_TESTIMONY_0917.
He clicked it.
The image was dark.
Then a familiar face appeared.
Christopher.
He looked healthier than he did in the hospital.
He was sitting in a small room, wearing a military shirt.
"Marcus," he said.
The younger man stepped closer to the screen.
"If you're watching this, I need you to listen carefully."
Christopher glanced toward the camera.
"They lied about my death. They lied about the mission. And they lied about the reason Rex was sent to you."
He paused.
"Rex wasn't sent to protect me."
His eyes narrowed.
"He was sent to protect you."
Marcus frowned.
"What?"
The recording continued.
"Six years ago, I discovered that Sentinel wasn't just a medical program. It was a system designed to identify and relocate military witnesses before they could testify about classified operations."
Christopher leaned closer.
"They used injured soldiers, medical transfers, and service-dog assignments to hide people. They created new records. They erased old ones."
He took a breath.
"And they used my name to move someone out of the system."
Marcus looked at the screen.
"Who?"
Christopher stared directly into the camera.
"Me."
The recording flickered.
Then another person entered the room.
A woman.
She stood behind Christopher.
Her face was partially visible.
Christopher turned toward her.
"Tell him."
The woman stepped closer.
And Marcus dropped the letter.
It was his mother.
Alive.
Her voice was quiet.
"Marcus, if you're watching this, I'm sorry."
The video ended.
Nobody spoke.
Marcus stared at the blank screen.
Then he slowly turned toward General Brooks.
"Find her."
The general nodded.
"We will."
Marcus shook his head.
"No."
He picked up Rex's leash.
"I'm finding her."
The final page
Before they could leave, Emily noticed a second document beneath the computer.
It was a list of medical personnel.
Several names were crossed out.
One remained.
DR. ELIZABETH MORGAN — CURRENT STATUS: ACTIVE.
Beside her name was a location.
ST. MARY'S — EMERGENCY DEPARTMENT.
Emily stared.
"That's impossible."
Marcus turned.
"What?"
Emily pointed at the screen.
"Dr. Morgan is working in this hospital."
General Brooks looked at the record.
"Where?"
Emily checked the staff directory.
Her face went pale.
"She's listed as a temporary consultant."
Marcus looked at her.
"What's her name now?"
Emily swallowed.
"Dr. Laura Bennett."
At that exact moment, the archive computer chimed.
A new message appeared.
SENTINEL ACCESS DETECTED.
Then another line appeared beneath it.
ORIGINAL HANDLER PRESENT.
Marcus looked at Rex.
The dog stood perfectly still.
The screen changed again.
WELCOME BACK, REX.
And then:
SECONDARY HANDLER — MARCUS COLE — AUTHORIZATION ACCEPTED.
Marcus stepped away from the computer.
"What does that mean?"
General Brooks stared at the screen.
"It means this system recognizes you."
The monitor flickered one final time.
A message appeared.
SUBJECT FOUR HAS RETURNED.
PART 5 — THE WOMAN WHO SIGNED THE AGREEMENT
The elevator doors opened on the third floor.
Marcus stepped out first.
Rex walked beside him, his nose moving constantly as he searched the corridor.
General Brooks followed with two military security officers.
Emily remained close behind.
They had one destination.
The emergency department.
And one name.
Dr. Laura Bennett.
Marcus had spent the last six years believing his family had been destroyed by a military operation.
Now he was beginning to understand that the operation might have been designed around his family from the beginning.
"Where is she?" he asked.
Emily checked the staff directory on her tablet.
"She's assigned to emergency intake today."
"Which room?"