Ricin-Laced Letters Sent to and NYC Mayor and Advocacy Group

Aired: 5/30/2013 | 0:04:56 | Clip
New York Police confirmed that letters sent to New York City Mayor Michael Bloomberg and his gun control advocacy group were found to contain trace levels of poison on them. Jeffrey Brown talks to Reuters' Jeff Mason about the investigation and for more on a similar letter sent to the White House flagged by Secret Service.