The body of a missing Montana math teacher who disappeared last weekend when she left her house for an early morning run has been found.
The FBI said today it has one man in custody and is questioning another in connection with her death.
Mrs Arnold, 43, who has five children with her husband - two of her own, had been missing since January 7th when she left her house for a pre-dawn jog.
The only clue to her disappearance that was publicly released was that one of her shoes was found along her running route, near her home in the oil boom town of Sidney near the North Dakota border.
Sidney Public School officials posted a statement online saying they learned of Sherry Arnold's death Friday morning. No further information was available.
FBI Special Agent David J. Johnson, of Salt Lake City, said a tip from the public led to the two men.
Authorities have been investigating the possibility that she was abducted and the FBI originally thought she had been taken out of state.
Only yesterday the victim's husband, Gary Arnold, told HLN's Jane Velez-Mitchell that he was hopeful that his wife would be found alive.
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He said the disappearance had been 'very difficult' on the couple's children, though they had been trying to stay positive.
Mr Arnold said: 'Their mother has raised them well. They are troopers, they are hanging in there.'
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