Chapter 93: What She Knew

Walsh authorized the morning interview at 0945, with two conditions: Sarah was not to reveal Yuki's forensic findings about the collagen source until the DNA comparison was confirmed, and a prosecutor from the AUSA's office would be observing via the camera feed from a room at Quantico. The prosecution was building its charging timeline. Sarah's interviews were the scaffolding.

"Understood," Sarah said.

She went in at 1000.

Hayes was in his position. The same chair, the same posture, the same water cup—they replaced it daily, daily he didn't touch it. Three days of untouched water cups. The pattern of a man who had decided, before his arrest, how he would conduct himself during his custody, and who was executing that decision with the consistency he applied to everything.

Sarah sat. Put the folder on the table. Opened it to a blank page of the legal pad.

"I read the letters," she said.

Hayes looked at her. "Yes."

"Emily's second letter. She described a decision she was making—two versions of her life." Sarah put the pen on the legal pad. "What did you tell her? When she came to the workshop that April and asked about the paper-making process. What did you tell her about the source of the material?"

Hayes was quiet for a moment. Not the deliberate-pause quiet. The weighing-of-something quiet.

"The truth," he said.

"Everything."

"I do not operate through partial disclosure, Dr. Chen. Emily asked what the material was. I told her. She asked how I obtained it. I told her. She did not run. She did not report me." He paused. "She returned the next week and asked me to teach her how to make it."

"She was seventeen."

"She was someone who had arrived at a decision that I had not pushed her toward and that she made with more clarity than most adults achieve." His voice had the measured spacing that appeared when he was managing the distance between his assessment and what he knew it would sound like. "I am not asking you to approve of this, Dr. Chen. I am telling you what occurred."

"The paper," Sarah said. "The workshop paper. The post-2006 samples. They all come from a single source."

Hayes's hands on the table adjusted. The minimal shift. He looked at her steadily.

"I understand that your forensic team has performed an analysis," he said.

"The source is a single person. A living donor. Someone who has been providing material for your work for twenty years." Sarah kept her voice in the professional register. The mechanism holding. "Emily."

Not a question.

Hayes looked at the table for a moment. Then at Sarah. "Emily asked to be part of the work. She asked—specifically, persistently, over the course of three months—to participate in the process she had come to understand. The paper was, to her, the most significant aspect of what I was doing. Not the folding. Not the compositions. The paper itself. The conversion of organic matter into a medium that could hold form and meaning. She found it—" He stopped. Started again with a different word. "Compelling."

"Compelling."

"Her word."

"She volunteered her own tissue."

"Over time. Not immediately. We spent months discussing the process, the ethics—"

"The ethics." Sarah said it without inflection.

"You may find the topic incongruous," Hayes said. "But Emily was genuinely interested in the ethical architecture of what I was doing. Not the killings—she was not comfortable with the killings. She made that clear. But the paper-making itself—the use of human collagen as an artistic medium—she argued for it on philosophical grounds that were not simple. She compared it to organ donation, to posthumous tissue research, to the use of cremated remains in art installations. She was—" He stopped. The verbal disruption. "She had thought about it carefully."

"She was a teenager who had been groomed by an adult."

"She was a person who made her own argument and arrived at her own position." The spacing between Hayes's words increased—the frustration marker. "I am aware that the law cannot accommodate the distinction I am making. I am also aware that the distinction exists."

Sarah clicked her tongue. Once.

"She did not know about the killings," she said. "Not fully."

"She knew I sourced the collagen from my subjects."

"But she thought the subjects were—what? Dead already? Euthanized? Willing?"

Hayes was quiet for a full five seconds. "She believed, initially, that I obtained the material from people who were dying. Terminal patients who had arranged to donate their tissue. She believed this because I allowed her to believe it."

The table. The room. The light through the small window, which had moved through its daily arc and was now in late morning, the shadows at a different angle than they had been on the first day.

"You lied to her," Sarah said.

"I allowed a misimpression to persist for longer than was honest, yes."

"When did she find out the truth?"

Another long pause. The longest she'd seen from Hayes on this question—the longest she'd seen from him on anything. "The summer of 2006. After she had already made the decision to leave. After the letters. She wrote—there is a letter in the box that you have not opened. The third letter. The goodbye letter."

"I haven't opened it yet."

"When you open it, you will find that she addresses the question directly. She had found documentation—a newspaper account of one of my earlier subjects—that did not match the narrative I had maintained. She confronted the discrepancy in the third letter." He paused. "That letter is why I could not burn it. It contains the closest thing to a reckoning that Emily and I ever had. She knew. She left anyway. Not because she approved. Because by then she had already decided to go and she did not want the truth of what she had learned to be the reason."

"She didn't turn you in."

"No."

"A seventeen-year-old girl found out that her teacher was murdering people and she left without telling anyone." Sarah said it flat. Not accusation. Accounting.

"She told Margaret," Hayes said.

Sarah stopped. "Margaret knew."

"Emily told Margaret the full truth before she left. Margaret was—" His hands shifted. "Margaret had come to the workshop by then. Margaret had her own relationship with the work. Emily's disclosure did not produce the response Emily may have expected."

"Margaret didn't report it either."

"No."

Two seventeen-year-old girls who had found Raymond Hayes and his workshop and his paper, and who had both chosen—the word kept landing—chosen to disappear into whatever world Hayes had offered rather than bring it to the attention of anyone who could have stopped it. Or who could have cost them the thing they'd found there. Whatever thing that was.

Sarah thought about her 2019 paper. The one Hayes had read. The correlation between artistic compulsion and violent compulsion. The thesis her colleagues had called sympathetic. The thesis that had been, in retrospect, a profiler's attempt to understand the man who had taken her sister—without knowing it was him she was trying to understand.

She had written that paper. She had spent her career hunting people like Hayes. And in 2005, when she was twenty-six years old and already in the FBI, her seventeen-year-old sister had sat in a clearing by a river and chosen the opposite of everything Sarah had spent her career defending.

"Why are you telling me this," Sarah said. "You could have given me the names, the victims, the operational details. That is what the investigation needs. Instead you're giving me Emily."

"Yes."

"Why."

"Because," Hayes said, "the investigation will get what it needs regardless of what I tell you. The forensic team, your colleague Tommy, the digital evidence—they will build the case without my cooperation. What the investigation cannot recover is the twenty years you have spent hunting me in the belief that Emily was taken from you." The deliberate pause. "She was not taken. You deserved to know that before the case concluded. Whatever you do with what I have told you—whatever you do about Emily's current situation—is your decision. But the belief that sustained your career, and that has cost you considerably, was false. I considered it my obligation to correct it."

The statement sat in the room. Too large for it. The fluorescent light hummed.

"Your obligation," Sarah said.

"Emily asked me to tell you," Hayes said. "When the time came. When I was found. She asked me to make sure you knew she was alive and that she chose."

Sarah was quiet. Outside, a vehicle in the parking lot started its engine. The sound came through the small window—mundane, mechanical, the ordinary sound of the world continuing.

"She chose," Sarah said. "She chose to disappear. She chose to spend twenty years making paper. She chose—" Her voice stayed level. The mechanism held. "What kind of a life is that?"

"A life in which she is practicing an art that she believes in," Hayes said, "in a place she chose, with people she chose to be with. She is not a prisoner, Dr. Chen. She is not in hiding from anything. She is simply—elsewhere."

"She has a family."

"She has the family she came from. She also has the life she built." He looked at Sarah. The full attention—the dual regard. "When you find her, you will be able to ask her which she considers more real. I suspect her answer will require more than one conversation."

Sarah closed the folder. The interview was over—not because she'd run out of questions, but because the questions that remained were not for Hayes. He had given her what he had. The rest was elsewhere. In a lotus. In a third letter. In a prepaid phone moving east on I-84.

She stood. Hayes did not speak again as she walked to the door.

She was in the hallway when Marcus appeared from the observation room. He looked at her. Did not ask.

"I need two hours," she said.

"The AUSA has a 1300—"

"I know. Two hours first."

She drove to the hotel. The room was the same room, the bed she'd slept in, the desk with the evidence box that now held the lotus and the first two letters. The third letter was still sealed. She sat on the edge of the bed with her shoes on and her jacket on and the case file in her lap and she did not do anything for approximately four minutes.

Then Marcus knocked.

She hadn't heard him follow her. She'd driven separately. He had apparently driven separately as well and made better time.

She opened the door.

He looked at her—the partner's look, the one that had been accumulating weight across four days in Winchester. He said nothing. She stepped back from the door and he came in.

She should have told him to leave. The professional calculus was clear: they were in the middle of a federal investigation, the subject of which was the disappearance and possible location of Sarah's sister, and a field agent sleeping with his partner was the kind of complication that defense attorneys located in discovery and used to argue conflict of interest.

She didn't tell him to leave.

What followed was not romantic. That would come later, in the accounting of it, when people who hadn't been there assigned the names available to them. What it was: four days of a case that had taken every boundary apart. What Sarah had thought was true, and what was true. The mechanism and the person underneath it, who had just found out her sister was alive. What it was: the physical fact of another person, present, not afraid of the weight. Marcus's hands. His voice saying her name once, then not saying anything. The bed. The afternoon light through the hotel curtains, the warm-amber quality of light after noon.

Afterward, she lay on her back looking at the ceiling. Marcus lay beside her, not touching, the space between them the width of two people who know exactly what they've done.

"This doesn't change anything," she said.

"I know," he said.

Neither of them believed that entirely, and both of them knew it. Marcus had a wife in Quantico who was probably, at this moment, making dinner for their daughters and wondering when their father was coming home. Sarah had a case in active investigation in which she was now personally and professionally compromised in ways that the AUSA's office would be interested to know about.

"It happened," Marcus said.

"Yeah."

"We'll figure out the rest."

She looked at the ceiling. The crack in her chest architecture—the hairline fracture that had been deepening since the interview room when Hayes first said *she is well*—was not filled by what had happened. The fracture was still there. But the building around it felt different. Still standing. Still functional. The structural integrity not improved so much as tested, and the test had not broken anything that was load-bearing.

She sat up. Found her jacket. Looked at the clock on her phone.

Twelve minutes before the AUSA call.

Marcus dressed. Neither of them spoke. There was nothing efficient to say and both of them understood that efficient speech was the wrong register for the specific situation. He left first. She sat for a moment. Then she picked up her case file and went back to the field office.

Outside, the Winchester afternoon was the same Winchester afternoon it had been when she drove away an hour ago. The sun, the parking lot, the cars. Paulson's field office building with its bricked-over drive-through window.

She had twelve minutes. In twelve minutes she would sit in the conference room with Tommy and Marcus and the AUSA's call and she would talk about charging timelines and evidence chains and the operational planning for whatever came next.

First: she opened the third letter.

Sat in her car in the parking lot. Evidence gloves. The sealed envelope. The paper tape across the flap.

She peeled the tape back carefully and opened the envelope and removed the letter and unfolded it.

Emily's handwriting, three pages. The words she had written to Raymond Hayes three days before she walked away from everything.

Sarah read it. Start to finish. Once.

Then she folded it carefully back into the envelope and put it in the case file.

She sat for a moment with the case file in her lap and the parking lot sun through the windshield.

Her sister had known. Not everything—not the names, not the scope. But enough. She had known that the man she'd learned from was a killer. She had written about it with the clarity of a seventeen-year-old who had arrived at a conclusion she didn't want and was deciding what to do with it. She had decided to go. She had decided not to tell. She had decided—the word again, relentless—that the life Hayes had shown her mattered more than the life she was leaving.

Sarah did not agree with this. She did not understand it entirely. She did not know if understanding it was possible from inside the life Emily had left.

But she knew what the third letter said. And she knew that by the time Margaret Volkov's car reached the eastern seaboard, she was going to need to have decided something about what to do with what she knew.

The AUSA call in nine minutes.

She went inside.