So, she had agreed, and given only the pretense of being in charge. It was only Shelley’s warm nature—and Zoe’s overall lack of care for the command structure’s correct adherence, so long as the case was solved—that made it feel all right. Shelley had even seemed almost apologetic, so keen to show that she knew the ropes that she was overstepping her bounds by accident.
She hesitated at the door of the gas station, knowing things must have started there. There were faint marks left on the ground, footprints marked by small flags and plastic triangles. The woman—the older woman with sensible shoes and a short stride—had led the way. This gas station was so isolated that she couldn’t have had more than a few customers that day, and the marks were clear of any confusion only a few paces away from the door.
The woman had been followed, though perhaps she had not known it. The numbers appeared before Zoe’s eyes, telling her everything she needed to know: the distance between them indicated an unhurried stride. There were no other footsteps to indicate whether the perpetrator had come from inside the gas station or somewhere in the parking lot. The woman had walked calmly, at a steady pace, toward the corner. There was a mess here, but Zoe passed it, seeing the steps continuing and knowing she would be back again eventually.
First, the footsteps continued at a slightly faster pace. Was the woman aware now that she was followed?
Here—right by a few scattered pieces of candy that littered the ground, perhaps from a botched delivery or a clumsy child—they had stopped. The woman had turned to look at the man, before spinning on her heel and rushing onward toward a door at the back of the building.
There was a key still hanging from the lock, swinging slightly every now and then in the breeze. The ground was slightly scuffed here, where the victim had stopped to turn it in the lock and then hurried away.
Her retreating steps showed a much longer stride, a quicker pace. She had been almost running, trying to get away and back to the store she tended. Was she afraid? Cold in the dark? Just wanting to get back to her desk?
The man had followed her. Not immediately; there was an indentation here, a scuff of raised dirt at the edge of a heel print where he had slowly turned to watch her. Then he had loped after her with what was likely an easy, light gait, directly approaching her, cutting inside her path to reach her at the corner.
Ah, the mess again. Zoe squatted on her heels, examining it closer. The ground was more profoundly disturbed here, scuff marks clearly visible where the victim had kicked for purchase for perhaps a few seconds or less. More noticeable was the heavier imprint of the man’s shoes here, where he must have taken some of her weight on the garrote.
The body had already been taken away, but the blood spoke for itself.
It must have been fast; she would not have struggled for long.
Zoe peered down for a closer look at the footprints she had seen, those of the male culprit. What was interesting was their appearance. While she could make out a faint pattern in the marks left by the victim—enough to give an idea of brand and the comfortable style of shoe—his footprints were a vague outline only, an impression of a heel for the most part.
Zoe retraced her steps, checking as she went. There were only two places where she could make out his steps: near the door, where he had waited, and here, at the moment of death. In both cases, all identifying marks—including the length and width of the shoe—had been erased.
In other words, he had cleaned up after himself.
“There was no physical evidence left other than the body?” Zoe asked the guard, who had not yet moved from his position by the door.
He had his thumbs hooked in his belt loops, his eyes squinting up and down the road in either direction. “No, ma’am,” he said.
“No hair follicles? Tire tracks?”
“Nothing that we can pinpoint to a perpetrator. Looks like all of the tire tracks in the parking lot were erased, not just his.”
Zoe chewed her lip, thinking. He might have been choosing his victims at random, but he was far from being a crazed madman. Just like Shelley had said—he was in control. More than that, he was patient and meticulous. Even killers who planned their attacks weren’t usually this good.
Zoe’s ringtone blazed out across the quiet of the empty road, making the guard jump in his boots. “Special Agent Prime,” she answered automatically, without even checking the caller display.
“Z, I’ve got a lead. Abusive ex-husband,” Shelley said. No standing on ceremony for her. Her tone was rushed, excited. That thrill of the first hint. “Looks like the divorce was just being finalized. You want to come pick me up and check it out?”