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 MIDDLESEX COUNTY, Va. -- Middlesex Sheriff's Major Michael Sampson said it was too soon to say whether or not missing mother TerriLynn St. John was abducted from her Mill Wharf Road home. This, as the search for the 23-year-old Middlesex County mother of two extended into its second day. 
 
 "This is a missing person, under suspicious circumstances," Major Sampson said during a Wednesday afternoon update. 
 
 Investigators have interviewed four persons of interest about St. John's disappearance. 
 
 "A person of interest could be acquaintances, whether they be personal acquaintances -- friends, family," Major Sampson said. "Miss St. John had a boyfriend at the time. He is obviously a person of interest." 
 
 Those persons of interest have been cooperative and submitted DNA samples to investigators, Sampson said. 
 
 That evidence was sent to the crime lab in Richmond where it is being tested. 
 
 A K9 unit and air surveillance joined the search for St. John after she was reported missing Tuesday morning. 
 
 When family members were notified St. John never showed up for work, they went to her home and discovered her children -- ages three and one -- unharmed, but home alone. 
 
 Family members said they believed St. John struggled with someone in her front yard, near her car, around 7:30 a.m. Tuesday. 
 
 "They looked through the woods and you could definitely tell there has been a struggle beside my daughter's car," her father Terry St. John said. "Jewelry was all around, like it had been broken off, her cell phone was found in the bushes." 
 
 Investigators hope someone was up early Tuesday morning, noticed something unusual, and will call in a tip. 
 
 "We're hoping someone can come up and say something that they did not think about at the time," Sampson said. "This is a tight community. Our community works together." 
 
 He also asked those in the community to stop trying to solve the missing person's case on Facebook. 
 
 "Social media, for us, is a little bit of a double edged sword," he said. "We get a lot of information there that we can follow up on, but people need to be mindful of what they put on there because when they put up something, we have to investigate." 
 
 That, he said, sometimes takes investigators away from the primary investigation. 
 
 "Before you put it on social media, please give us a call," he said. 
 
 TerriLynn is described as a white female, 5'6" tall, 130 pounds, with blonde hair and blue eyes. She was last seen wearing a blue Outer Banks hoodie. 
 
 Anyone with information was asked to call the Middlesex Sheriff's Office at 804-758-5600. Witnesses can send news tips here. ||||| Please enable Javascript to watch this video 
 
 MIDDLESEX COUNTY, Va. -- Investigators have identified persons of interest in the disappearance of a Middlesex County mother from her front yard, according to Crime Insider sources. 
 
 Those sources confirm those persons are being questioned. 
 
 Early Tuesday morning, at a corner house on Mill Wharf Road, family members believe someone was watching TerriLynn St. John, 23, prepare her car to take her kids to daycare. 
 
 The mom was last heard from around 7:30 a.m., when she went to her car in her front yard. 
 
 That’s when family members believe there was a struggle. 
 
 "They looked through the woods and you could definitely tell there has been a struggle beside my daughter's car," her father Terry St. John said. "Jewelry was all around, like it had been broken off, her cell phone was found in the bushes." 
 
 Even more troubling, St. John’s two children were seemingly abandoned. 
 
 "My granddaughter is three and my grandson is one,” said Terry. 
 
 The children were found by their grandparents, alone in the house. 
 
 Family members said there was no way TerriLynn would leave her kids alone. 
 
 "We’re definitely treating it as suspicious," said Maj. Michael Sampson. 
 
 From the start, Middlesex County investigators said they knew the mystery of the missing woman was serious. 
 
 "We've contacted family and friends. We've done searches throughout the area by air and on foot, and we've called neighboring jurisdictions out to assist with K9s," said Sampson. 
 
 "We know it is all over social media right now and if anybody has any information about this to please call the sheriff's office," said Sampson. 
 
 "I know I've got to keep myself together and do my best, so they can find TerriLynn," said her father. 
 
 TerriLynn is described as a white female, 5’6’’ tall, 130 pounds, with blonde hair and blue eyes. She has multiple tattoos including R.J.M. on her right wrist, a princess crown on her left wrist, and a cross on her ring finger. 
 
 TerriLynn was last seen wearing a blue Outer Banks hoodie as seen in the photo below. Family members believe she was wearing the same hoodie when she disappeared Tuesday morning. 
 
 The search for TerriLynn will resume Wednesday morning. 
 
 Crime Insider sources say Virginia State Police are on stand-by if Middlesex deputies need more manpower. 
 
 If you have any information about the whereabouts of TerriLynn St. John, contact the Middlesex Sheriff’s Office. 
 
 Please share and spread the word! 
 
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– A Virginia community is imploring anyone with information about the disappearance of a young mom to come forward after she vanished while getting ready to go to work Tuesday. ABC7 reports that 23-year-old TerriLynn St. John never showed up to her job that day, and when her father was notified, he went to her home in Wake and found a disturbing sight: the front door open, St. John's 3-year-old daughter and 1-year-old son alone inside the house, and no sign of St. John, per Maj. Michael Sampson of the Middlesex County Sheriff's Office. "You could definitely tell there [had] been a struggle beside my daughter's car," Terry St. John tells WTVR. "Jewelry was all around, like it had been broken off, her cellphone was found in the bushes." Her car was still in the driveway. The younger St. John, last heard from around 7:30 that morning, was going to drop her kids off at day care before heading to work, Sampson says, per ABC7. Although he notes it's too soon to say if St. John was abducted, Sampson says at least four persons of interest have been questioned. "This is a missing person, under suspicious circumstances," he said Wednesday, per WTVR. St. John is described as 5-foot-6 and 130 pounds, with blond hair, blue eyes, and several tattoos, including "RJM" on her right wrist. She's believed to have last been wearing a blue Outer Banks hoodie. Wesley Moody, IDed by WRIC as the father of St. John's children, has his own theory on her disappearance. "There's no way it was just one person," he says. Meanwhile, her dad clings to hope. "Hold on, girl, we're going to find you," he says, per the Rappahannock Record. (Read about the mysterious disappearance of a CDC doctor.)