Stay Curious. Stay Connected.
MailNewsletters♡Donate Now
Sign up
*
Password must be at least 8 characters and contain one uppercase letter, one lowercase letter, one number and one symbol
Already have an account?
Sign in to your profile
Forgot Password?
New to MPR News?
Welcome back
to news
for you
Reset Password

Enter the username on file and we'll send you a code to reset your password.

Still require assistance or not sure what your User Name is?
Welcome back
to news
for you
Email Verification

A verification code has been emailed to

Still awaiting the code?
St. Paul, Minn.

A closer look at the criminal mind

Go Deeper.

Create an account or log in to save stories.

Like this?

Thanks for liking this story! We have added it to a list of your favorite stories.

Brain scan
A scientist inspects a human brain in a research center in Siberia, January 4, 2007.
Photo by VALERY TITEYEVSKY/AFP/Getty Images
Gallery
1 of 1
Brain scan
A scientist inspects a human brain in a research center in Siberia, January 4, 2007.
Photo by VALERY TITEYEVSKY/AFP/Getty Images