By Denise Lavoie and Rodrique Ngowi
The Associated Press
BOSTON — The painstaking work to identify a bombing suspect from reams of Boston Marathon footage yielded a possible breakthrough as investigators focused on a man seen dropping off a bag, and then walking away from the site of the second of two deadly explosions.
If you currently subscribe or have subscribed in the past to the Las Vegas Optic, then simply find your account number on your mailing label and enter it below.
Click the question mark below to see where your account ID appears on your mailing label.