IDAHO FALLS -- An arrest warrant has been issued for an Idaho Falls man that police believed killed his mother.
The warrant for Nathan Helburn, 33, is for first-degree murder with a weapons enhancement.
Police found the body of 61-year-old Mary Helburn in her home Tuesday during a welfare check. She was last seen alive on Friday.
Police have been looking for her 33-year-old son. Police say Helburn should be considered extremely dangerous.
Helburn is described as a 6-foot-2, 250-pound white male, with short blonde hair and hazel eyes.
He could be driving a gold Lexus with the Idaho license plate number 8BV7041.











