The gray box stopped the day the tow truck came

Previously: Ruth, an intern at the municipal impound, guards the van in slot 214, seized for €214,000 in damages from the hit-and-run by Aitana's brother.

Thirty-three days to go. Yeray Bosch, maintenance technician at Frigoríficos del Levante, walks into the impound yard at a quarter past ten, wearing the company's blue overalls and carrying a thermos of coffee. Ruth Anglada asks him to look at a photo on her phone: the one Aitana Pomares took from the fence, zoomed in, of the inside of the van.

—That's a Thermo King —says Yeray in the first second—. DPS one hundred, the one fish reefers used to carry.

Ruth puts her phone away.

—And what does it do?

—Writes.

Yeray leans against the wall. He tells Ruth what she needs to know, not what he knows, which is half a degree in electronics.

—It's a thermal recorder. It's bolted behind the passenger seat so no delivery guy can lose track. If you haul fresh fish without a temperature log, the Civil Guard nails you on the road. In 2023, three companies in Alicante lost their license over it.

—And it always records temperature.

—No: only when the engine gives it power. The box draws from the vehicle's battery, so it writes while the engine's running or the key is in position one. And it doesn't just record temperatures. Every ignition, every door opening, the exact time and the number of the key used to open it. Thermal paper, 57 mm.

Ruth writes down fifty-seven in her notebook.

—And if it doesn't start?

—Then it doesn't write. But it doesn't erase what it had. The spool winds inside and sits like a supermarket receipt roll. I've cracked those open plenty of times when they jam.

Ruth looks at the van at the back, row fourteen, slot 214. In two and a half years in the yard, no one has put a key in the contact. The tow truck brought it in dead, they parked it in reverse, pulled the handbrake and slapped the yellow seizure seal on it.

—So —Ruth says slowly, counting on her fingers— the box stopped the day the tow truck came. And ever since, the paper is whole in there.

—Full spool, yes. It wrote right up to the instant power ran out on the road. Everything before that still reads.

—And the keys?

—Every key carries a chip. The recorder reads it and writes a number: 01, 02, 03… If you open with number one and start with number two, the box says so. And if you open with no key, forcing the door, it also writes «no-key opening» and the time.

Ruth doesn't speak. Yeray does:

—To pull it, you need three things. One is any jump battery, with clips: give twelve volts to the yellow connector and it wakes up. The second is a fresh roll of 57 mm thermal paper, because whatever's inside runs out the moment it starts printing the whole memory at once. Any hardware shop on the Torrellano industrial estate sells one for two euros. And the third is to open the passenger door of a van that isn't yours, parked in a municipal impound, that the law forbids you to touch.

Ruth nods, very short.

—The log is whole.

—Whole. Head to tail. The night of the hit-and-run, every ignition, the loop through the estate, the tow truck's arrival. With whichever key was in.

He pockets the thermos. He looks at row fourteen again and doesn't say anything more. Ruth has seven hours ahead of her and thirty-three days.

—No one watches the yard at four in the morning —Yeray says, without looking at her—. Chelo comes in at five. Bruno at nine. There's a free socket in the guard hut: you can charge the battery there the night before. I have two at the workshop. And the clips for the yellow connector I'll make myself.

They walk off in different directions. Ruth goes back to the booth with fifty-seven written in the notebook, and two times written below it: four and five. Next to that she has written, with the bitten pen used for receipts, three words: battery, paper, offence. Below she crosses out «offence» and writes «evidence».