The hospital called me just before midnight to tell me that my six-year-old son was dy. But the part I still can’t erase from my mind isn’t the phone call itself. It’s the sound of my mother laughing when I demanded to know what had happened, followed by my sister speaking about it so casually that you might have thought she was talking about a glass of milk someone had accidentally spilled.

The suburban house on Elm Street looked entirely different under the harsh glare of the midday Arizona sun.

Yellow crime scene tape fluttered in the warm desert breeze, wrapped around the white picket fence and the front porch pillars. Two police cruisers were parked along the curb, their lights off, guarding the property.

Whitney stepped out of Detective Miller’s unmarked sedan, wearing a pair of sneakers and a dark jacket Miller had helped her buy from a nearby department store.

"Keep your gloves on," Miller instructed as he unlatched the police tape and led her up the driveway. "The forensics team has already bagged the primary evidence, but if Calvin hid that drive, he would have put it somewhere a child would think was safe."

They walked around the side of the house, heading into the backyard.

The shed stood in the rear corner, framed by overgrown bougainvillea bushes and dry weeds. Its wooden door was splintered where the police had forced it open, revealing a cramped, dusty interior filled with rusted lawnmowers, stacked flowerpots, and dark wooden shelves.

Whitney stopped ten feet away. The grass near the shed door was flattened, stained with small, dark brown spots that made her stomach heave.

His blood.

She closed her eyes, forcing herself to breathe slowly through her nose until the nausea passed. She thought of Calvin's warm, small hand in hers. She thought of how he noticed tiny details that adults ignored—a uniquely shaped leaf, a shiny beetle, a hidden pattern in the carpet.

"He wouldn't have hidden it in the shed," Whitney said quietly, opening her eyes.

Miller looked at her. "Why do you say that?"

"Calvin was terrified of that shed," Whitney explained, walking away from the structure toward the center of the yard. "He told me three months ago that the shed made 'bad sounds' at night. He would never hide his treasures near a place that scared him."

She stopped beside an old, hollowed-out oak tree near the back fence.

At the base of the trunk was a small, round hole surrounded by smooth stones—a little "dinosaur cave" Calvin had built during his last visit two weeks ago.

Whitney dropped to her knees in the dirt, ignoring the soil staining her jeans. She reached her gloved hand deep into the dark hollow of the tree trunk.

Her fingers brushed against something hard, cold, and metallic.

She pulled her hand out.

Resting in her palm was a small, bright orange USB flash drive shaped like a Tyrannosaurus Rex. Wrapped around the metal connector was a single blue rubber band—the exact kind Calvin used to secure his toy dinosaur cards.

Detective Miller let out a low whistle. "Smart kid."

Before Miller could reach for the drive, the sound of a gravel driveway crunching under heavy tires echoed from the front of the house.

Miller’s radio clipped to his shoulder squawked sharply.