A group of high school students started a project to research a string of unsolved murders.

There is no profile of this killer except for the ones the students created.

What if this guy's still alive?

Like what if he comes after us?

Once you start getting a few tips or a few leads

or few identifications,

then the cold case isn't so cold anymore.

This is Murder 101.

Listen to Murder 101 on the I Heart Radio app, Apple Podcasts,

or wherever you get your podcasts.

Welcome to Before Breakfast, a production of I Heart Radio.

Good morning.

This is Laura.

Welcome to the Before Breakfast Podcast.

Today's tip is to remember who you know.

We all know we should build a network, but maintaining that network is just as important,

if not more important.

And part of that is remembering who exactly is in your network.

This requires a more systematic approach

than most people are used to taking.

We've all heard phrases like, it's not what you know, it's who you know.

And if you have been in any sort of business for more than a day,

...