The U.S. Attorney’s Office announced Wednesday that two men will face a total of five federal charges in connection with an unattended campfire that authorities say started the record-setting Wallow Fire in May.

Caleb Joshua Malboeuf, 26, of Benson and David Wayne Malboeuf, 24, left their campfire unattended while on a hike, authorities say.

The campfire started the Wallow Fire, which burned more than 538,000 acres and cost more than $79 million to fight. The wildfire was the largest in state history.

The Wallow Fire, when it was still threatening the Arizona mountain town of Greer.

Read the indictment against the Malboeufs: View at Google Docs | Download File