Internet Explorer 11 is not supported

For optimal browsing, we recommend Chrome, Firefox or Safari browsers.

Ricin Laced in Threatening Letters to Mayor Bloomberg

Two letters that contained threats to Mayor Michael R. Bloomberg — one addressed to him, the other to a lobbyist who works on his gun control campaign — have tested positive for the deadly poison ricin, the authorities said on Wednesday.

Two letters that contained threats to Mayor Michael R. Bloomberg — one addressed to him, the other to a lobbyist who works on his gun control campaign — have tested positive for the deadly poison ricin, the authorities said on Wednesday.

Caroline Cournoyer is GOVERNING's senior web editor.