Hi guys, Nancy Grace here. Welcome back to Killers Amongst Us, a production of I Heart

Media and Crime Online. When you get out of your car in the parking

deck or at the parking lot or you step off the metro or the bus, hop out of your Uber

and walk into work, do you ever look around and think, who are these people around me?

Who's sitting next to me on the bus? Who's driving my Uber? Who's parking next to me and the parking

deck? Usually most people don't. They're going about their business, they're on a mission,

and they don't really want to think about the fact that a huge percentage of people

out there are either on parole or probation. No one wants to think about the fact that there are

Killers Amongst Us. What happened to Annie Leigh? Absolutely stunning young woman and a brainiac

to date, just 24 years old. Take a listen to our friend Randall Pinkston, CBS.

24 year old Annie Leigh was working on a PhD in pharmacology at the Yale School of Medicine.

Tuesday morning she left her office and walked four blocks to her lab near the School of Nursing.

Around 10 o'clock, her surveillance camera captured her entering the building. Just afternoon,

there was a fire drill, but Leigh wasn't seen. When she did not come home Tuesday night, her roommate

became concerned and notified authorities. Just thinking about that confusion. With me,

an all-star panel to break it down and put about together again, former felony prosecutor,

now defense attorney Darrell Cohen, named partner at Cohen Cooper, E-Step and Allen, and you can

find him at ccealaw.com. We're now psychiatrists joining me out of the Atlanta jurisdiction. Dr. Angela

Arnold, you can find her at Angela Arnold MD.com. And with us former police lieutenant,

there in the jurisdiction where Annie Leigh disappears, the New Haven Police Department,

the senior lecturer and director of the Center for Advanced Policing at the University of New

Haven and worked this case. But right now, to Matthew Chase, investigative reporter with

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