The search remains on for Jennifer Caridad of Sunnyside who went missing in early August.
She was last seen wearing light pink shorts, a black shirt and turquoise Croc shoes.
Detectives are following up on existing leads including items that were sent to the crime lab for analysis.
A spokesperson with Yakima Police says a suspect was arrested in Oregon, but no other information was released.
If you have any information regarding Jennifer, please contact the Sunnyside Police Department at 509-836-6200 and reference case #21S07132.