The body of a child found in a remote part of the US state of Oregon is believed to be that of missing two-year-old Aiden Salcido, whose parents died in an apparent murder-suicide, police said.

Key points: Aiden was the subject of an intense search after his parents were found dead in the city of Kalispell

Aiden was the subject of an intense search after his parents were found dead in the city of Kalispell Police had warrants for the arrest of Daniel Salcido and Hannah Janiak on felony burglary charges

Police had warrants for the arrest of Daniel Salcido and Hannah Janiak on felony burglary charges Relatives described Janiak as a good mother who had mental health issues

Oregon police said authorities in the state of Montana reported finding the body on Sunday (local time).

Aiden was the subject of an intense search after his parents, Daniel Salcido and Hannah Janiak, were found dead on Wednesday in the city of Kalispell, in Montana.

Police had warrants for the pair's arrest on felony burglary charges.

The boy's body was found in the same area where his parents were seen several days earlier. Positive identification has not been officially made, police said, but an autopsy has been scheduled.

Witnesses called in tips after seeing the story on the news and were instrumental in helping to locate a remote camp believed to have been occupied by the family, police told the media.

The couple was convicted on burglary charges in 2018, according to the FBI. ( AP: Medford Police Department )

The couple was convicted on burglary charges in 2018, according to the Federal Bureau of Investigation.

Janiak was to begin serving her sentence at the Jackson County Jail on June 11 but failed to show up, prompting the issue of felony warrants for the couple's arrest.

Relatives described Janiak as a good mother who had mental health issues. Relatives also told law enforcement that the family was homeless and would camp along a greenway in Medford.

The FBI said, investigators searched Janiak's financial records and found that the last activity was on June 3 and June 4, when two purchases were made at a department store.

The purchases of camping equipment were caught on surveillance video, which showed the couple and Aiden together.

A receipt was also found in the car dated July 25, the same day the couple died. Salcido and Janiak appeared in the surveillance video but Aiden did not, local media reported.

AP