ROYAL CITY, Wash. -

UPDATE 1/12/14 : There was a confirmed sighting of Miles "Logan" Moncada Saturday night at a motel in Albuquerque, NM. Police went to the motel and found the room vacant and black hair dye and disposable razors in the room, so likely one or both have change appearance. Monica was not seen at the motel, only Moncada.

Moncada is driving a 2014 yellow Ford Focus with WA plates ANR8440. The Grant County Sheriff's Office thinks it's possible the two are en route to Crystal City, TX where Moncada has family.

Anyone with information is  asked to call 911 or send info to crimetips@co.grant.wa.us. Tipsters can remain anonymous.

Investigators, in cooperation with other police agencies, have found no obvious evidence Monica was abducted, but since there has been no direct contact with her, there is concern for her welfare. Her family believes she may have been taken by Moncada and may be in danger. Her family and the sheriff's office are hoping for direct confirmation from Monica that she is okay.

"We're all concerned about Monica's safety, and her family wants her to come home, said Grant County Sheriff Tom Jones. "At a minimum, we hope she calls home to talk to her parents to let them know she is okay, but certainly having her back home is what we all hope for."

ORIGINAL STORY 1/11/14: An Endangered Missing Person Advisory has been issued for a 16-year-old girl from Royal City, WA.

Monica Helberg was last seen at 8254 Road E SW in Royal City. She is white with brown hair and brown eyes. She's believed to be 5'7" tall weighing 140 lbs.

It's believed she was taken against her will by 22-year-old Miles Moncada. Moncada is a white man with brown hair and brown eyes. He is believed to be 6'1" weighing 165 lbs.

Moncada drives a yellow 2010 Ford Focus. The license plate number is 7AME520.

Authorities believe Moncada could be taking Helberg to California.

There is a restraining order in place against Moncada. 

If you have any information, you're asked to call Washington State Patrol at 509-682-8090 or 911.