This podcast contains descriptions of violent crimes that may be inappropriate for some listeners.

This is Studio 360. I'm Kurt Anderson.

This is Jocelyn Gonzalez from Studio 360.

For our regular series, Day Jobs, we're going to meet a former literature and history teacher

with a master's in liberal arts.

He thought he was on a path for a successful academic career, but that all changed in 2001.

9-11 was my first day of graduate school.

Like everyone else, I watched it unfold, and I thought, well, okay, I'm going to get that

master's degree.

I'm going to earn a black belt, and I'm going to go protect people from bad guys.

The show will resume very, very shortly, but first, I wanted to take this opportunity to remind

you to follow us on Twitter and Instagram at Studio 360 show.

And now, back to the podcast.

My name is Edward Gillespie.

I'm a detective in the Baltimore City Police Department.

I've been on the force for 13 years.

I've worked in various capacities in Baltimore City here.

Today, Detective Gillespie is still teaching, but not at a university.

And the subjects aren't great books or philosophy.

He's a cop who's an instructor at Baltimore Police Academy,

where he teaches officers about community policing, ethics, and counterterrorism.

But when he first started on the force, he worked the streets.

...