The propane truck came up the drive at 9:14, and I knew it was wrong eleven seconds before Kieran did. I want that on the record. Eleven seconds.

I was at the kitchen table with the house folder open, because that is what I do when I am frightened. I reconcile. Receipts, invoices, anything with a number on it. Somebody at the Marshals Service had been dutifully filing utility slips into that folder since March. Bless them.

The tank had been filled on the ninth. Four hundred and twelve gallons. Signed for by a deputy with terrible handwriting. That was eleven days ago.

Nobody fills a tank twice in eleven days.

“Kieran.” He was already at the window with two fingers on the blind. He had heard the engine. He hadn't heard the discrepancy.

“The tank's full,” I said. “Filled on the ninth. Four twelve.” Something moved through his face and left again, and I have thought about that half second more than I have thought about almost anything.

It wasn't alarm. It was arithmetic.

“Island,” he said. “Behind it. Now.”

“Rule three.”

“Rule three,” he agreed. Rule three was: if I say down, you're on the floor before you've finished being insulted. He'd given it to me in my own doorway three weeks ago like a man reading out a parts list.

I moved. The knock came friendly — two beats and a pause, the way a person knocks when they want you to think about your lawn. Kieran opened the door with his body turned, his left shoulder forward, his right hand somewhere I couldn't see.

I heard a man say something about a scheduled top-off. I heard Kieran say, pleasantly, that this was the wrong address.

And then, through the gap between the blind and the frame over the sink, I saw a second man cross the side yard. Not walking. Not running.

Working.

He had a hood up in June. He went along the wall like a man who had done it before, and he was three strides from the mudroom door.

I had two options. One was to scream, which would tell him exactly where in the house I was. The other was the door.

I want to be clear that I did not decide — deciding takes longer than I had. My body simply chose the more expensive option, the way it always does.

I got there as the handle turned. I put my whole weight into it — all one hundred and thirty pounds of forensic accountant — and the door slammed back onto his forearm and stopped.

The arm stayed in the gap. So did the gun. The pane in the door let go. I felt the glass go through my palm the way you feel a paper cut, which is to say later, and enormously.

He was stronger. Obviously he was stronger. So I didn't try to win — I just tried to be expensive.

I braced my heel on the jamb and held, and the gun went off into the floor between my feet, and the noise took the whole world away for a second and gave it back smaller.

“KIERAN.”

That is the last thing I remember doing on my own.

Here is what I know about the next part. The pressure on the door stopped. The arm slid backward out of the gap, unhurried, almost polite, and then there was a sound I have decided not to describe, and then there wasn't a sound.

I counted it later, because I count things. Three seconds. Maybe four.

I had held a door for six seconds, and in those six seconds he had finished the man at the front, crossed nineteen feet of house, and finished this one.

He came around the corner of the mudroom and looked at me, and his chest was not moving fast. That is the part.

Not the bodies. Not the floor. His chest was not moving fast. I was shaking hard enough to hear my own teeth — he looked like a man who had come in from getting the mail.

“Is he dead?” I said.

“Yes.”

“The one at the door?”

“Yes.” He said it the way you confirm a delivery.

Then he did things in an order — and I could see the order. Doors first, then windows, then the drive, then the two men, then the phones out of their pockets, then me.

I was seventh. I am not saying that to be pitiful. I am saying it because there was a list, and the list existed before this morning, and nobody makes that list once.

“You held the door,” he said.

“I held the door.”

“Six seconds.” He crouched to look at my hand without touching it yet. “That's a long time.” Nobody had ever complimented me like that. Nobody had ever meant it more.

“We should call Ruiz,” I said.

“I will.”

He didn't.

He sat me at the kitchen table and went to the hall closet and came back with a roll-up kit, and unrolled it, and it had everything. That is a small thing — I want you to notice it anyway.

Saline. Iodine. Forceps. Butterfly closures in three widths. There was a first-aid kit in that closet already, and his was better. He carried the lamp over from the side table and set it at my elbow and angled it until the light fell where he wanted it.

“Give me the hand.”

“It's fine.”

“It isn't. Give me the hand.” I gave him the hand. He didn't take it the way people take a hand — he took my wrist and turned it, so my palm was open and lit and had nothing to do with me anymore.

“This will hurt,” he said.

“You could lie.”

“No.” It hurt. He went in with the forceps and found the first piece, and I made a noise I would like back.

“One,” he said.

“Are you counting for me or for you?”

“Yes.”

“Two.” It took a long time. That is what I keep returning to. He had killed two men in under ten seconds and he spent nine minutes on my hand.

Nine. I watched the clock on the stove, because there was nowhere else to look that wasn't him.

“Three.” The light was low and gold and the whole room had narrowed to eight inches of skin, and he never once said anything kind. He didn't tell me I was brave. He didn't tell me it was over.

He just kept the lamp exactly where the light needed to be and moved my thumb out of the way with one finger, twice, without asking.

That was the tenderness. That was all of it. He did not soften. He got more exact.

“Four,” he said, and set the last piece on the towel with the others, in a line, largest to smallest. Of course in a line.

“Stitches?”

“Two. You won't get them today.” Then his thumb settled on the inside of my wrist and stayed there while he reached for the gauze. He wasn't holding me still.

He was counting.

And he didn't ask me what my pulse usually was.

He already knew.

I let a man who had just washed another man's blood off his forearms wrap my hand in six passes of gauze, and something turned over in my chest that I had no line item for.

“Don't get it wet,” he said. “I'm going to wash.” There was blood in the crease of his elbow. He had gotten everything else.

He took eleven minutes, usually. I knew that, and I noticed that I knew that, and I did not enjoy the symmetry.

The water started, and I sat there with my bandaged hand and did the only thing I am reliably good at. I noticed what was missing. He did not call Ruiz. Two men came to a house six people knew about, and he did not call anyone.

The Marshals had taken my phone the day they emptied the apartment, along with my laptop, my mother's ring, and any illusion that I was a person with belongings.

So I went to his bag. It was on the floor by the couch — canvas, army-green, packed the way he did everything. Shirts rolled, not folded. Two burner phones still in their blister packs. A third, used, screen down. A band of cash with a paper strap.

And, flat against the back panel, a manila envelope gone soft at the corners — soft the way paper goes when it has been handled a great many times. I opened it with my good hand.

It was a photograph of me.

Outside 1140 Delaney. My old front step. The green coat I gave away in April because it made me look like a municipal employee. I was carrying the paper grocery bag with my arm under it, because they split, and I was looking at nothing, and my mouth was slightly open.

Long lens. You can tell — the cars behind me were stacked flat against each other, four blocks of street pressed into one plane. Taken from a long way off. Taken by someone with time.

That is what the photograph was of — a woman who had no idea.

On the back, in pencil, small block capitals:

VALE, J. — 05/12 — 1140 DELANEY — 0740 & 1815.

Two times. Morning and evening. Both of them.

I did the arithmetic. I did it twice, because I do everything twice. Today was the twenty-third of June. May twelfth was six weeks ago.

Ruiz put him in my doorway on the second. I know the date because I signed for him. I sign for everything.

May twelfth to June second.

Twenty-one days.

Three weeks before anyone assigned him to me. Three weeks before the Marshals had my name on a protection order. Three weeks before he existed, as far as my life was concerned.

He was standing outside my apartment twice a day, in the dark, with a lens, and nobody had told him to.

Which meant somebody else had. Somebody had paid for that lens. Somebody had asked for the times.

And here is the number I couldn't make balance, the one that wouldn't sit in any column I had:

Six weeks.

He had been closer to me than anyone in ten years. He had slept eleven feet from my door. He had known which side of the bed I sleep on — before I told him, before I told anyone.

An hour ago he had my pulse under his thumb.

So why was I still alive?

Then the water stopped.

I should have put the photograph back.

I didn't.

Behind me, the bathroom door opened.