The FBI said Thursday the suspect in the Oregon and Washington ballot box fires in October used a welding material that can burn at 4,000 degrees.

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 ...

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

A photo provided by the FBI shows an incendiary fire at a ballot drop box in Portland, Oregon, on the morning of October 28, 2024. The FBI said the same suspect is believed to be involved in ...

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.

FBI officials investigating the October ballot box arsons in Vancouver and Portland renewed requests for tips Thursday, saying they’re seeking someone who is knowledgeable about explosives or ...

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 ...