As each day passes by, the authorities grow more concern about the fate of the 15-year-old girl who, according to some testimonies, might be infatuated with her teacher.
Cummins has an altered appearance in the surveillance images with his hair darkened.
According to the interview, Elizabeth displayed other concerning behavior, including telling her sister that she had to break up with her boyfriend because she "wasn't allowed to be with him anymore".
More than 1,100 tips have been received in the USA, but none have panned out, investigators say.
A nationwide "Be On the Lookout" alert has been issued for Thomas and Cummins and an Amber Alert has been issued for Thomas.
Officials held the press conference to caution the public of 'victim blaming, ' saying that the two did not fall in love and run away, but that it was a well thought out kidnapping. "This is, and was, not a romance", TBI director Mark Gwyn told reporters Tuesday. This is not a fairy tale.
Attorney Jason Whatley, who is representing Elizabeth's father, told CNN the kidnapping statute might not matter in Cummins' case, especially if he crossed state lines with Elizabeth, triggering federal kidnapping laws. The latter stems from reports that the pair were caught kissing in Cummins' classroom on January 23.
WTVF reports that Cummins and Thomas were seen in a white van, with blue tube and ladder on top with MS temp tags: T0394810 at the Shell Station at around 12:45 p.m. Thursday.
If you have information on Thomas or Cummins, call the Maury County Sheriff's Office at 931-388-5151 or the TBI at 1-800-TBI-FIND.
"He was kind of brainwashing all the kids into thinking he was something he wasn't", said Cooper. "It was a complete deception". There is also a $5,000 reward being offered by Cummins' former coworkers.
"She may not realize she's in danger".
"She could get sick and he has no way of taking her to a hospital. This is a serious crime".