Subway-station Stories

In this book, I will recount my encounters with some of New York City's most unusual public restrooms. I will detail how certain men's restrooms lacked privacy around the toilets and how some individuals boldly conducted their business in full view of others.

What happens when a P.I is on a train during a shootout? (this is a short story about 500 words) this is a complete story might look in to expanding the story but for now this is it.