Nightly News   |  May 29, 2013

Ricin letters mailed to Bloomberg and gun control group

A letter addressed to New York Mayor Michael Bloomberg has preliminarily tested positive for ricin, and a second letter was also sent to DC, arriving at the headquarters of Mayors Against Illegal Guns. NBC’s Brian Williams reports.

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>>> to new york city mayor michael bloomberg has tested positive for ricin. a second letter arrived in d.c. at the headquarters building of mayors against illegal guns financed in part by bloomberg. the letter to the mayor apparently contains a reference to the gun law debate. the letter never got near the mayor. there is no indication that anyone became ill as a result of it. it's now all under investigation by the fbi. more