A 50-year-old Tennessee man, who authorities said kidnapped a 15-year-old girl this month, was spotted shopping at an Oklahoma City Wal-Mart on March 15. 
 
 The Tennessee Bureau of Investigation confirmed on Friday the sighting of Tad Cummins and Elizabeth Thomas. The bureau said it obtained surveillance video from the Wal-Mart at 100 E Interstate 240 Service Road after receiving a tip. 
 
 Investigators said the video shows Cummins and Thomas shopping in the store on March 15. Cummins used cash to buy food, and he had altered his appearance by darkening his hair, according to a news release. 
 
 Investigators said they were working to determine the vehicle the man and teen were traveling in. 
 
 Officer Travis Vernier said the TBI has not asked for Oklahoma City police assistance. 
 
 “They're really conducting the investigation,” Vernier said, adding authorities don't know if Cummins and Thomas were just passing through Oklahoma City. 
 
 Thomas was last seen on March 13, the day authorities said Cummins kidnapped her. Cummins is a former teacher at the school she attended in Culleoka, Tenn., which is about 60 miles south of Nashville 
 
 He was suspended from the school after an investigation was launched into allegations he had inappropriate contact with Thomas. A Feb. 8 memo from Maury County Public Schools states that a student at the Culleoka Unit School reported seeing Cummins and Thomas kiss on Jan. 23. 
 
 “Neither Mr. Cummins nor Beth Thomas confessed to the incident. Neither party admitted to behaving inappropriately towards the other. The allegation of teacher Tad Cummins kissing student Beth Thomas could not be confirmed from the evidence presented,” school district officials reported in the memo. 
 
 Thomas had been a student in Cummins' forensics class, officials said. The teacher was suspended without pay from the school district on Feb. 6 and fired the day after Thomas went missing. 
 
 Cummins is described as about 6 feet tall, weighing about 200 pounds, with brown hair and brown eyes. He is thought to be armed with two handguns and driving a silver Nissan Rogue with Tennessee license plate 976-ZPT. 
 
 Thomas is described as about 5 feet tall, weighing about 120 pounds, and was last seen wearing a flannel shirt and black leggings. 
 
 A warrant has been issued for Cummins on complaints of aggravated kidnapping and sexual contact with a minor. He was added to the TBI's most wanted list on Friday and a $1,000 reward for information leading to his arrest is offered. 
 
 Also on Friday, the teacher's wife of 31 years filed for divorce. Court records show that Jill Cummins sued her missing husband on the grounds of irreconcilable differences and inappropriate marital conduct. The wife, who works for the Maury County school system, says she has not seen her husband since March 13. The couple have two children together. 
 
 Jill Cummins has previously publicly pleaded with her husband to turn himself in and bring the girl home safely. 
 
 Anyone with information should call 911 or the TBI at 1-800-TBI-FIND. 
 
 Contributing: Associated Press 
 
 Related to this story Show more 0 ||||| TBI: Confirmed sighting of Tad Cummins, Elizabeth Thomas on March 15 in Oklahoma City Copyright by WIAT - All rights reserved Video 
 
 (WIAT) -- The Tennessee Bureau of Investigation says they have confirmed a sighting of 15-year-old Elizabeth Thomas and her alleged kidnapper Tad Cummins. 
 
 The TBI posted the following on their website Friday morning: 
 
 "Late Thursday, after receiving information from a tip, investigators obtained surveillance images from a Walmart on East I-240 Service Road in Oklahoma City, Oklahoma from the afternoon of March 15th, showing Tad Cummins and Elizabeth Thomas shopping at the store. Cummins used cash to purchase various food items, but did not purchase anything else of significance. The surveillance images of Cummins and Thomas – the first obtained by investigators since the alleged kidnapping on March 13th – clearly show Tad Cummins with an altered appearance to darken his hair. The same images show Elizabeth may currently have red hair. Efforts to determine what vehicle they were traveling in remain ongoing. 
 
 Thomas, 15, disappeared on Monday, March 13th and is believed to have been kidnapped by 50-year-old Tad Cummins, a former teacher at her school in Maury County, Tennessee. The school district in Maury County terminated Cummins in the wake of an ongoing investigation into alleged inappropriate contact he had with Thomas at the school earlier this year. 
 
 Thomas is a 15-year-old white female, with hazel eyes, stands 5'0" and weighs 120 pounds. She was last seen wearing a flannel shirt and black leggings. Cummins is a white male, who stands 6'0", weighs approximately 200 pounds, and has brown hair and eyes. He is believe to be armed with two handguns and driving a silver Nissan Rogue with Tennessee tag 976-ZPT. A warrant has been issued for Cummins for Sexual Contact with a Minor and Aggravated Kidnapping. On Friday, the TBI added him to the state's ‘Top 10 Most Wanted' list. There is a $1,000 reward for information leading to his capture. 
 
 As of this morning, the TBI received more than 1,200 tips from across the country. The TBI would urge the public to remain vigilant and report any information that may prove beneficial in the ongoing search to 1-800-TBI-FIND. If you spot the vehicle and can verify the license plate to be TN 976-ZPT, call 911 immediately." ||||| Tad Cummins and Elizabeth Thomas were spotted March 15th in Oklahoma City. (Photo: TBI) 
 
 Clarification: Elizabeth Thomas is 5-feet tall. The Tennessee Bureau of Investigation previously released her height incorrectly. 
 
 The Tennessee Bureau of Investigation has confirmed a sighting of 15-year-old Elizabeth Thomas, along with Tad Cummins, the 50-year-old man suspected in her kidnapping earlier this month. 
 
 Based on a Thursday tip, investigators obtained surveillance images from a Walmart in Oklahoma City, Okla. on the afternoon of March 15th. 
 
 TBI officials say Cummins used cash to purchase various food items but did not purchase anything of significance. 
 
 The images, the first obtained since Thomas' disappearance on March 13th, show Cummins with an altered appearance to darken his hair and Thomas is shown with red hair. 
 
 Efforts to determine what vehicle they were traveling in continue. 
 
 #TNAMBERAlert SIGHTING CONFIRMED: Tad Cummins and Elizabeth Thomas were in Oklahoma City on March 15th. DETAILS: https://t.co/Tb5t7rMIN1pic.twitter.com/QZottBtVgk — Josh DeVine (@TBIJoshDeVine) March 31, 2017 
 
 Early on, we issued the picture on the left, from several days before the #TNAMBERAlert, Note the apparent change in Tad's appearance. pic.twitter.com/ZaET35u0C7 — TBI (@TBInvestigation) March 31, 2017 
 
 MEDIA: Here's a quick video clip of Tad Cummins & Elizabeth Thomas entering the Walmart in Oklahoma City on 3/15.https://t.co/tIsI94rT6a — TBI (@TBInvestigation) March 31, 2017 
 
 An Amber Alert was issued for Thomas following her disappearance in Maury County on March 13th. She is believed to have been kidnapped by Cummins, a former teacher at her school. The school district fired Cummins in the wake of an investigation into a report of inappropriate contact with Thomas at the school earlier this year. 
 
 As of Friday morning, the TBI received more than 1,200 tips from across the country. 
 
 The teenage girl is described as being white with blond hair and hazel eyes, and is 5 feet tall and 120 pounds. 
 
 Cummins is a 6-foot white male with brown hair and brown eyes and weighing 200 pounds. 
 
 Anyone with information about the case is asked to call 1-800-TBI-FIND. If you spot Cummins' vehicle with a Tennessee license plate 976-ZPT, call 911. 
 
 Read more: 
 
 Teaching was dream job for kidnapping suspect Tad Cummins 
 
 TBI urges public to remain alert in Elizabeth Thomas Amber Alert case 
 
 Family asks for continued prayers amid ongoing AMBER Alert for Elizabeth Thomas 
 
 TBI: Tad Cummins searched 'teen marriage' on internet before kidnapping 
 
 Timeline shows troubling events before Elizabeth Thomas' disappearance 
 
 TBI: Tad Cummins added to 10 most wanted list as search for Columbia teen continues 
 
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– A 50-year-old teacher was caught on security cameras at a Walmart in Oklahoma two days after he allegedly kidnapped a 15-year-old girl in Tennessee, the Oklahoman reports. Tad Cummins and Elizabeth Thomas are seen in the video—taken March 15 but not confirmed or released until Friday—using cash to buy food at the Walmart. According to the Tennessean, the video represents the first images of Cummins and Thomas since the alleged kidnapping on March 13. Cummins appears to have darkened his hair, and Thomas now appears to have red hair, WIAT reports. The video was made public after the Tennessee Bureau of Investigation received a tip Thursday. Cummins was fired from his teaching job following alleged inappropriate contact with Thomas, a student at his school, earlier this year. The two reportedly exchanged potentially romantic emails, though Thomas' family says she once hid from Cummins. There was a possible sighting of Cummins' car in Texas, and there have also been reports Cummins and Thomas are now in Mexico. Investigators have received more than 1,200 tips regarding Cummins and Thomas so far.