The FBI announcement of the reward on Saturday Is the first time law enforcement officials have said a person or a group of people could be responsible for starting the deadly fires. Two people have died in the fires.
"The FBI is offering a reward of up to $10,000 for information leading to the arrest and conviction of the person or persons responsible for starting the fires," FBI Albuquerque Division officials said in a news release.
The South Fork Fire and Salt Fire started June 17 near Ruidoso, New Mexico. The fires destroyed about 1,400 structures and displaced more than 8,000 people.
"The FBI is assisting our local, state, federal, and tribal partners in the ongoing investigation of the fires near Ruidoso NM," FBI officials said. "We are asking for the public's assistance in identifying the cause of these fires."