A Glenburn teen remains missing.Authorities have expanded their search for 15-year-old Nichole Cable.The Penobscot County Sheriff’s Office updated the media Wednesday, saying the search for Nichole Cable continues to be a missing person investigation.”On Monday the 13th, the Penobscot County Sheriff’s Office responded to a missing person report,” says Chief Deputy Troy Morton.Nichole Cable, an Old Town High School student, was last seen at her home on Sunday night around 9 pm.The Penobscot County Sheriff’s Office held a press conference on the investigation.They say they are using all resources available in their search.”The Maine Warden Service is currently conducting ground searches and the following agencies have been involved in assisting the sheriff’s office in this investigation. The FBI, the National Center of Missing Children, several state agencies, including the Maine State Police, the Computer Crimes Unit, and the Maine Intel Unit, along with Bangor Police Department, and any other agencies we’ve requested,” says Morton.Nichole’s family was also there and her mother made an emotional plea.”I would like to say, Nichole, we love you, and if you’re scared because you ran away, you’re not in trouble, just come home, it will be ok. And, if somebody has her, I don’t care, just take her to a gas station, a park, anywhere. If you see Nichole, this is my daughter, if you see her, please let the authorities know. Help me bring her home,” says Kristine Wiley of Glenburn.Chief Deputy Troy Morton says an Amber Alert was not issued.”An Amber Alert, and why that would not be used in this particular case, it did not fit the criteria at the time of the initial report,” says Wiley.Morton also addressed rumors of a social media connection to Nichole’s disappearance.”We are following those leads, and we will follow them with the use of the resources we have available to us. As you heard me speak about yesterday, we are doing this through the computer crimes unit, both for computers, cell phones, any other service that we need,” says Morton.RSU 34 Superintendent, David Walker, says they’re doing everything they can to help.”First and foremost, our thoughts and prayers are with the family in hopes of a positive outcome of this. And, then, secondly, you know, we have been cooperating with law enforcement at all levels to assist where we could in their search,” says Walker.Police aren’t saying if it’s believed Nichole has her cell phone with her.The sheriff’s department says the public can help by sharing her photo and calling them with any information about the case at 947-4585.