Marianne held out her hand.
“Give me the key.”
Grinder hesitated.
Then placed it in her palm.
The brass tag attached to it carried one number.
A courthouse deputy recognized it.
“There are storage lockers in the old records annex downstairs.”
Marianne turned toward Grinder.
“My husband worked here before the accident.”
Grinder nodded.
Thomas Holt had been a maintenance electrician for the county.
Nine years earlier, he died after falling from a service platform inside a municipal warehouse.
The official report blamed a faulty safety harness.
Marianne had accepted that explanation because Thomas had always worked dangerous jobs.
Grinder had not.
“He called me the night before he died.”
Marianne’s face tightened.
“You knew Thomas?”
“We rode together when we were young.”
Grinder showed her the leather pouch.
Inside was a folded photograph.
Thomas stood beside Grinder outside the same municipal warehouse.
Between them was a steel cabinet marked with the number 214.
Marianne touched the photograph with trembling fingers.
“What was he hiding?”
The deputy led them downstairs.
Locker 214 opened with the key.
Inside sat a waterproof document tube and an old handheld recorder.
Marianne pressed play.
Thomas’s voice filled the narrow corridor.
“If Marianne is hearing this, somebody finally found the batteries.”
She went completely still.
Thomas explained that the county had purchased thousands of low-cost lithium cells for emergency equipment, mobility devices and building sensors.
Several overheated during testing.
He filed safety reports.
The reports disappeared.
Then the batteries were quietly distributed anyway.
One contractor had supplied them.
Redwood Medical Systems.
Marianne whispered:
“That’s the company that supplied my cane.”
Grinder’s jaw hardened.
Thomas had discovered that Redwood’s defective cells were being relabeled under different product numbers after every safety complaint.
He photographed invoices.
He copied inspection reports.
He planned to expose the scheme.
Then he died.
The recorder continued.
“My fall wasn’t an accident.”
Marianne gripped the wall.
Thomas said someone had removed a locking pin from the service platform after learning he had copied the records.
He did not name the person.
He only said:
“Look at who signed the replacement contracts.”
The document tube contained seven contracts.
Every one carried the same signature.
County procurement director Alan Mercer.
Grinder stared at the name.
Marianne heard his breathing change.
“You know him.”
Grinder looked away.
“He’s my brother.”
The corridor went silent.
Grinder had spent nine years avoiding Alan.
They had not spoken since Thomas’s funeral.
Alan had insisted the death was an equipment failure and warned Grinder not to “turn grief into accusations.”
Marianne suddenly understood why Thomas had trusted him.
Grinder had been the one person close enough to Alan to recognize a lie.
The deputy called investigators.
Within an hour, Redwood’s current battery recall records were pulled.
Marianne’s cane should never have reached her.
Its serial number had been listed as destroyed six months earlier.
Someone had manually reactivated it in the distribution system three weeks ago.
The authorization came from a county account.
Alan Mercer’s.
Grinder closed his eyes.
“He knew Thomas left evidence.”
Marianne shook her head.
“Then why send the battery to me?”
Grinder looked toward the broken cane upstairs.
“Because he thought the failure would look accidental.”
A detective entered carrying another file.
“That’s not the worst part.”
He placed a photograph on the table.
It showed Alan Mercer leaving the courthouse that morning.
He was carrying a second electronic cane.
Same model.
Same defective battery batch.
And according to the delivery label attached to it, the next recipient was Marianne Holt.