From that article:
Even more bafflingly, investigators say on the day the texts were sent, Ms Berreth's mobile phoned pinged off a tower in Gooding, Idaho - more than 1200km from where she was last seen and an area in which she has family.
and
The missing woman's mother believes her daughter is still alive "somewhere in Colorado.
"I think she wants to be found," Cheryl told Inside Edition.
"She's got no reason to be hiding, she's got to be desperately missing (her daughter)".
Color me confused. They were at the fiance's home looking for evidence of something, yet her Mom truly believes she is alive and still in Colorado?