The FBI on Friday said Sen. Cory Booker (D-NJ) is now the 11th recipient of a suspicious package, recovered in Florida.
Then, almost at the same time, but across the country, a suspicious package addressed to former Director of National Intelligence James Clapper was intercepted in Manhattan at mail processing facility, making him the 12th intended recipient.
Prominent Democrats - including Bill and Hillary Clinton, as well as Barack Obama - and media outlets have been targeted by explosive devices throughout the week.
The FBI has been concentrating a part of its investigation on a mail facility in Florida.
No one has been injured and none of the explosives have gone off.