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?
By submitting, you consent that you are at least 18 years of age and to receive information about MPR's or APMG entities' programs and offerings. The personally identifying information you provide will not be sold, shared, or used for purposes other than to communicate with you about MPR, APMG entities, and its sponsors. You may opt-out at any time clicking the unsubscribe link at the bottom of any email communication. View our Privacy Policy.
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?

What investigators are looking for in Boston

Go Deeper.

Create an account or log in to save stories.

Log inCreate a free Account

Like this?

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

Show me!
One of the blast sites on Boylston Street
One of the blast sites on Boylston Street near the finish line of the 2013 Boston Marathon is investigated and guarded by police in the wake of two blasts in Boston Monday, April 15, 2013.
Elise Amendola/AP

A section of downtown Boston has become a closed-off crime scene the day after two explosions killed three and injured over 100 at the Boston Marathon.

Forensics expert John Goodpaster, director of the Forensic and Investigative Sciences Program at Indiana University Purdue University, joins The Daily Circuit to talk about the clues investigators are looking for to find out more about who made the explosive devices.

Gallery
1 of 1
One of the blast sites on Boylston Street
One of the blast sites on Boylston Street near the finish line of the 2013 Boston Marathon is investigated and guarded by police in the wake of two blasts in Boston Monday, April 15, 2013.
Elise Amendola/AP