A small puff of vapor escaped from the 17-year-old girl’s mouth as she walked with her friend, 16, along Bardstown Road.

The two kids are a typical 3:15 p.m. sight for the stretch of restaurants and shops not far from several major high schools.

But they weren’t just hanging out. She was on her way to a job interview at a restaurant, and in her hands, barely visible, was a Juul, a sleek e-cigarette that looks more like an oversized flash drive than a smoking device. As she’s wont to do in times of stress, the teenage girl was vaping (and doing it illegally, which is why she is not being identified).

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