The FBI agents in charge of Seattle and Portland’s offices joined Thursday to call for more help from the public, particularly after confirming that whoever tried to set fire to three ballot boxes in ...

FBI officials investigating the October ballot box arsons in Vancouver and Portland renewed requests for tips Thursday, ...

and Portland renewed requests for tips Thursday, saying they’re seeking someone who is knowledgeable about explosives or thermite, a mixture used in the attacks. Officials emphasized their ...

The FBI believes the suspect used a substance known as thermite, made from metal shavings and rust, in the devices put in the ballot boxes, agents said. "This is a very volatile mix that can burn ...

PORTLAND, Ore. — The suspect behind a string of ballot drop box arson incidents in Vancouver and Portland in October used thermite as part of the incendiary devices that they used to start the ...

He described thermite as a mixture of metal shavings and iron oxide, or rust, commonly used by welders. He said the mixture can be dangerous if not handled safely. The suspect welded scrap metal ...

“We’re very worried this person may harm himself or others if he continues to experiment with thermite,” said W. Mike Herrington, the FBI special agent in charge in the Seattle office.

PORTLAND, Ore. (KGW) — The suspect behind a string of ballot drop box arson incidents in Vancouver and Portland in October used thermite as part of the incendiary devices that they used to start ...