On Christmas morning, my nine-year-old tore open the gift from my father-in-law and screamed before the lid even hit the floor.

The fourth-floor detention room at Mercy General was guarded by two county deputies with sidearms unholstered.

Mark was sitting on the edge of a narrow examination table, his hands cuffed in front of him, the metal chain resting in his lap like an iron snake. His clothes had been confiscated; he was wearing an orange paper jumpsuit that tore at the armpits every time he moved.

When the door opened and I walked in behind Detective Lin, he didn't lift his head. He knew the sound of my boots.

"Unit 402," I said, standing in the center of the room beneath the humming fluorescent tubes.

Mark didn't answer. He stared at the blue hospital linoleum between his bare feet.

"Lily had a seizure twenty minutes ago, Mark," I said. My voice was low, stripped of anger, stripped of tears, stripped of everything except the ticking of the clock on the wall above his head. "Dr. Morrison says she has ninety minutes before the chemical damages her motor cortex. He needs the batch synthesis records for the 1978 surfactant. The one your father used to cut the demeton."

Mark’s shoulders hitched, but he didn't speak.

"Detective Lin showed me the Nassau accounts," I continued, taking two slow steps toward the table. "Forty-five thousand dollars on December 22. The exact amount we needed to pay for Lily’s private school tuition in the spring. You paid for her fourth-grade enrollment with the money Gary gave you to keep that wall vented."

"Elena..." he whispered, his voice cracking like dry timber.

"Don't say my name," I said. "Give me the code to the storage unit."

"I can't," Mark choked out. He looked up, and for the first time, I saw the true depth of the rot that had lived inside him for seven years. His face was bloated, his eyes yellowed with broken blood vessels, his lower lip split where he had been biting it until it bled. "He didn't put the records in Unit 402, Elena."

"Where are they, Mark?"

"They’re with Harold," he whispered. "Uncle Harold took the blue binder from my car while we were at the station. He’s taking them to the incinerator at the legal offices in Morristown. He has the files for the whole Clarksville development. If those records exist when the grand jury convenes on Tuesday, Harold goes down with us as an accessory before the fact."

"Harold is an officer of the court," Lin interrupted, her hand resting on her service weapon. "He wouldn't destroy capital murder evidence—"

"Harold was the corporate secretary for the Vance Trust in 1978!" Mark shouted, his chains rattling violently as he stood up from the table. "He drew up the dummy corporations that bought the limestone quarry! He’s in it as deep as Dad! He’s seventy-two years old, and he’s not spending his retirement in a federal penitentiary in Allenwood!"

Lin spun around and hit the radio on her shoulder. "Dispatch, this is Lin. Issue an immediate APB for Harold Vance, operating a 2021 silver Lexus sedan, New Jersey registration Victor-Alpha-Nine-Two-Seven. Suspect is in possession of critical evidence in an ongoing capital homicide investigation. Authorize high-risk stop."

"He's not in the Lexus," Mark said, his voice dropping to a flat, dead register. "The Lexus is parked at his house in Summit. He’s driving his wife’s gray Subaru Outback. The one with the ski rack."

Lin ran out into the corridor, her boots pounding against the linoleum as she barked orders into her radio.

I didn't run.

I stood there, looking at Mark. The man who had kissed me on the forehead when I came home from the hospital after thirty-six hours of labor. The man who had built Lily a cedar dollhouse for her fifth birthday, spending three weekends sanding every corner so she wouldn't get a splinter.

"The green box," I said, my voice barely audible over the hum of the air conditioner. "Why did you put her name on it, Mark?"

Mark closed his eyes.

A single, thick tear ran down his cheek, hanging from his jawline before dropping onto his orange paper sleeve.

"I didn't," he whispered. "Dad told me to put your name on it. But this morning... when Lily ran down the stairs in her flannel pajamas... she saw the silver ribbon under the tree. She grabbed it before I could stop her. She looked at me and said, 'Is this from Grandpa?'"

He opened his eyes, and the horror in them was real, raw, and completely useless.

"And what did you say, Mark?"

"I said... I said, 'Yes, baby. It's for you.'"

He started to sob, his shoulders shaking, his cuffed hands rising to cover his face.

"I was tired, Elena," he wept into his fingers. "I was so tired of being afraid of him. I thought... I thought if she opened it, and it was just a silver pendant like he said... then everything he told me was true. I thought if it was just an acorn... then I wasn't a monster."

I didn't hit him.

I didn't curse him.

I took the wedding ring off my left hand—the simple gold band he had bought with his first paycheck from the construction yard—and dropped it into the cold, brown puddle of coffee that had dried on the floor beside his bare feet.