Jenna didn’t share the tip. Internal Affairs would bury it. Instead, she swapped her uniform for a thrift-store hoodie, tucked her badge into her boot, and boarded the 8:07 train alone.

His face went blank, then flushed. “I don’t—”

He stepped onto the platform, and she followed. In the harsh fluorescent light, he handed over his phone. His gallery was a museum of violation: sleeping passengers, up-skirt shots on escalators, even a high school girl’s ID photo he’d photographed through a bus window. Jenna deleted everything, then made him log into his cloud account. She wiped that too.

She let him go. He stumbled back into the night, shoulders hunched.

Officer Jenna Cole had been on the force for twelve years, long enough to think she’d seen it all. But nothing prepared her for the anonymous tip that landed on her desk that Tuesday morning: “Perv on patrol. Transit line, 8 PM car. He films every night.”