
by Li Anne Lin
Detective Greenhouse is still in her driveway when the call comes in. Museum curator. Suspicious hit and run. But the crime scene tells a different story — one that begins on a rooftop and ends with a folded haiku placed precisely where it will be found.
The killer has done this before. He calls ahead. He leaves poems. He is working through a list, and Greenhouse is the only person who knows it.
As she traces the thread connecting the dead and closes in on a motive rooted deep in the city’s past, the pressure comes from every direction — a mayor with an agenda, a department watching her closely, a family she needs to keep safe. And underneath all of it, the hallucinations. Classical, vivid, insistent. Her mind translating violence into art, whether she wants it to or not.The Geometry of Falling is a literary noir thriller about obsession, retribution, and a detective whose mind keeps turning murder into masterwork.
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The Geometry of Falling – Excerpt
Chapter 1
The engine was still ticking when her phone rang.
She was in the driveway with her keys in her hand. The house was lit from inside, every window warm, and through the glass she could see Tanya moving in the kitchen. Cameron was at the counter. Natalie was on the floor near the couch. The whole assembly of her life, proceeding without her, the way it always did.
She looked at the screen. Molenaar.
“Greenhouse.”
“Got a body. 749 Freeport Road. Museum of Stonebridge Artifacts. Curator named Evelyn Crest. Suspicious hit and run.”
She looked at the windows. “Fifteen minutes.”
Inside, the house smelled like garlic and salmon. Always fish on Fridays. The table was set. Cameron was at the counter with a paper airplane that kept folding wrong, explaining the aerodynamics to no one. Natalie was on the floor with a mason jar and what appeared to be a small civilization of pill bugs arranged on a newspaper.
Tanya was at the stove with a dish towel over her shoulder. She looked up when Greenhouse came in.
She read the keys. She read the coat.
“Mama.” Natalie held up the jar. “I made them a house.”
“Good house.” Greenhouse kissed the top of her head. The curls smelled like a whole afternoon outside.
“They need holes in the lid.”
“Ask your mom.”
Cameron looked up. “Did you know a paper airplane can fly for forty seconds if—”
“Tonight,” Greenhouse said. “Tell me tonight. Everything.”
He nodded and went back to his folds.
She crossed to Tanya. Tanya’s hand found her arm before she got there.
“Sorry honey,” Greenhouse said.
Tanya’s eyes moved over her face. “Are you eating?”
“I’ll get something on the way.”
“That means no.”
“It means I’ll try.”
She kissed her. Tanya’s hand stayed on her arm after.
“Go,” Tanya said.
She was back at the door in under a minute. Behind her, Cameron had found a new fold. Natalie was explaining something to the pill bugs through the glass. Dinner would be eaten without her. The dishes. The bedtime. Tanya would hold all of it, the way she always held all of it, without saying aloud that this was not what she had signed up for, because it was exactly what she had signed up for.
Greenhouse backed out of the driveway. The warm windows shrank in the mirror.
She drove east on Aldrich with two fingers on the wheel, the heater running, a voice on the radio giving scores she didn’t hear. Curator, she thought. Museum of Stonebridge Artifacts. Brick building, six stories, narrow footprint, parking in the rear. Molenaar had said suspicious. He didn’t use that word unless something had already looked wrong to him. Or he was covering himself. With Molenaar it was sometimes hard to tell the difference.
She turned the radio off.
Two minutes out she saw the patrol lights, blue-red-blue against the underside of the clouds.
The lot was large and mostly empty. The asphalt was still wet from an earlier rain, and the patrol lights turned everything blue then nothing then red. Crime scene techs had set up their floods near the building’s eastern corner, and Molenaar was standing with his hands in his jacket pockets, shoulders set, waiting for her to catch up.
“Walk me through it,” she said.
He pointed to a woman in high-visibility running gear on a parking block near the tape. “Melissa Daily. Called it in at five forty-one. Says she was cutting through the lot, heard an impact, came around the corner and found her.”
“She see a vehicle?”
“No.”
“Hear anything before the impact? Engine, horn?”
“No.”
He shifted his weight. “Security guard inside heard it too. The impact. Ran out the side door, says he saw a dark hatchback taking the northwest exit. No plate. Name’s Allen Renquist.”
“Where is he?”
“Gave a statement. Needed to vomit, so I sent him to the washroom.”
She moved toward the body.
Evelyn Crest lay on the concrete strip between the gravel and the brick façade. There was a great deal of blood. The left arm was broken. The right knee was wrong in a way that suggested high-velocity impact. Greenhouse crouched and looked at the back of the dark wool coat, which had ridden up and torn.
No transfer. No paint, no rubber, nothing a vehicle would leave.
She moved six feet left and crouched again.
Molenaar appeared beside her. “Hit and run. A hatchback clipped her, she went down hard.”
“Look at the gravel,” Greenhouse said.
He looked. “It rained earlier.”
“Before the responders got here. Look under the ambulance tracks. The gravel was already flat. No rooster tail, no scatter.” She stood. “And the coat. A vehicle moving fast enough to do this,” she gestured at the body, “leaves something. Paint. Rubber. Transfer.”
“Just not visible to the naked eye. Forensics will get it all.”
“With no tire marks. With no transfer.” She moved back two steps and pointed at the blood stain. “The pattern is radial. Centered. A vehicle strike throws it in the direction of travel. This went straight down.”
Molenaar was quiet. The patrol lights moved across both of them.
She left him and crossed to Melissa Daily.
“Ms. Daily.” She crouched to her eye level. “Detective Greenhouse. Can you tell me what happened?”
“Heard a thump.” The woman pressed her hands between her knees. “A really heavy thump. Like something dropping from a height. I’d never heard that sound before, but I knew what it was. You know?”
“Did you hear a car?”
“Nothing. No car. No scream. Just the thump, and then I came around the corner and she was there.”
“How long was it between the sound and when you came around?”
“Five seconds. Maybe less.”
Greenhouse stood and walked back.
“A dark hatchback in an empty lot at night,” she said. “Easy to invent. Renquist hears a thump, runs out, and his brain needs an explanation.”
“Or there was a car and Daily didn’t see it because her brain was already writing a different story.”
“Both things can be true.”
She looked up at the building.
Six stories of brick, the windows dark, the flat roofline cutting hard against the low clouds. The patrol lights reached up the face and died out halfway. The gravel strip where Evelyn Crest lay ran the full length of that wall.
Greenhouse went through the main entrance.
Inside, the building had the silence of a public space emptied against its wishes. Track lighting on its evening setting. Display cases in the dimness. A cluster of museum staff near the reception desk, watched by a uniform. Someone had been crying.
She found the stairwell at the back and went up.
Six flights. The stairwell smelled like concrete and institutional cleaning products, and her footsteps came back to her off the walls. She was not winded until the sixth floor, and then she was.
The roof access was an unmarked steel door. It should have had an alarm. It was propped open with a rubber wedge, as if someone had been working up here and planned to come back.
She stood in the frame before she stepped out.
The roof was flat and graveled, forty feet to the edges, no railings, nothing at the perimeter but air. The wind came from the north, cold and direct, carrying rain and the river. Below her she could see the lot, the forensics van, the body of Evelyn Crest, small and dark in its ring of light.
She looked at the gravel before she moved.
It was wrong near the access door. Not chaotically wrong. Quietly wrong. A compression pattern, feet planted, weight shifted hard. Two furrows ran from the struggle zone to the eastern edge, straight and deliberate, the width of heels. Twelve, fifteen feet of it.
She moved along the left side, keeping the drag marks in her peripheral vision until she could see them cleanly.
At the edge she stopped.
A square of white paper sat on the gravel eight inches from the lip. The fold was clean and precise. It was meant to be found.
She looked down.
Six floors below, the forensics team moved around Evelyn Crest in their slow orbit. The blood stain was darker than the gravel it had soaked into. The body was very small.
“Christ,” Greenhouse said.
She walked back to the access door. Took the elevator down. Found the officer at the side entrance.
“The roof is a primary crime scene. Nobody goes up without authorization and a suit.”
“Yes, ma’am.”
She went back out into the lot. Molenaar was near the perimeter, talking to a tech.
“There’s a white folded paper on the roof,” she said. “Near the eastern edge. Drag marks from the door to the lip. Fifteen feet or so. Struggle evidence near the access point.”
He looked at her. The patrol lights crossed his face.
“White paper,” he said.
“Folded square.”
He stood very still. Then he started barking at the techs.
Renquist was leaning against the wall when she found him, arms crossed, watching. He had the look of a man who had seen things and wanted you to know it.
“Walk the exterior with me. Tell me about security,” she said.
They went counterclockwise. She looked at every corner, every mounted fixture, every place a camera should have been. Corner lights. A dead housing above the service entrance.
“No exterior coverage,” Renquist said before she asked.
“Elevator cameras?”
“No. Budget. Phase two never got funded.”
“The service entrance camera.”
“Out three months. Three work orders.”
She looked at him. He offered nothing further.
“When you saw the hatchback,” she said. “Which exit?”
“Northwest. Toward Clement.” He said it the way people say things they’ve already said twice and expect to keep saying. “Dark-colored and moving fast.”
“Make or model?”
“Civic, maybe. Focus. That size.”
They came back around to the rear. The body of Evelyn Crest was still there, patient under its lights.
“Visitor logs,” she said. “Who was in the building today?”
He made a face. “It’s a public museum. Pay what you can. General admission is cash or card, no name. Membership cards get scanned at the front desk.”
“Staff?”
“Sign-in sheet at the service entrance. I’ll get it.”
“The roof. Who has access?”
He hesitated. First time all night. “It’s supposed to be locked. Maintenance uses it occasionally.”
“Locked.” He looked up and saw light pouring off the roof. “Supposed to be, anyway.”
“Evelyn Crest. What do you know about her?”
“Ran the exhibition side. I’d see her directing staff around shipments. Professional.” He shrugged. “Didn’t talk much to security. Seemed like someone who worked late. That type.”
She looked at him for a moment.
“Go pull the employee sign-in sheet,” she said. “Stay available.”
The news vans were pulling into the lot when she came back out, their satellite rigs not yet extended, their drivers calculating angles.
Molenaar appeared at her shoulder. He had already seen them.
“Cover her,” he said quietly. The lead tech reached for the body wrap.
Greenhouse crossed to the technician crouched closest to the body.
“Bag the hands before you move her.”
“Yes, ma’am.”
Forensics had the roof for forty minutes before Greenhouse and Molenaar came back up together in forensic white. The space had been transformed. Portable floods, hard shadows, numbered yellow flags from the access door to the eastern edge. Four technicians moving carefully through the documented zones.
The forensics lead came to meet them. Her clipboard was already full.
“Drag marks are consistent with a single person being moved horizontally. The heels would dig in under gravity. The furrow fans toward the edge, which means the person doing the moving was accelerating.” She paused. “Whoever it was knew what they were going toward.”
A second technician held up a clear evidence bag. Inside it, the white folded square, its creases sharp.
“Can you open it?”
“Not without risking trace.” He pulled out a flashlight and held it against the bag.
Greenhouse leaned in. Molenaar moved to get the angle.
Shadows dance in dark
Echoes fade in twilight’s hush
A guardian falls
She read it twice. She straightened.
“Goddamn it,” she said.
A gust came off the north. The evidence bag trembled.
A guardian falls.
“That haiku.” Molenaar’s voice had dropped. “Two days ago. The nine-one-one call.”
“Yes.”
“The same.”
“Word for word.”
He stood very still. The forensics lead was watching them both with the careful attention of someone who understood she should not interrupt.
Molenaar looked at the paper for a long time.
“Oh fuck,” he said. Quietly, and with feeling. “So he really did strike again.”