Cops say Tennessee teacher may have planned abduction of 15-year-old student in advance

Law enforcement is expressing concerns that the trail may be going cold.
1:56 | 03/19/17

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

More information on this video
Enhanced full screen
Explore related content
Comments
Related Extras
Related Videos
Video Transcript
Transcript for Cops say Tennessee teacher may have planned abduction of 15-year-old student in advance
Next to the nationwide manhunt for the high school teacher accused of taking off with one of his freshman students. Investigators worried the trail may be growing cold. The girl's family with an emotional plea for her return. The teacher's wife doing the same. And we're learning there are new concerns tonight about a possible missed warning sign. Eva pilgrim, with the latest. Reporter: As the frantic search intensifies for that missing Tennessee teen and her former teacher accused of kidnapping her, tonight, new details of his alleged plan to get away. We have no idea where tad Cummins has Elizabeth Thomas at this hour. Reporter: Authorities say 50-year-old tad Cummins was 15-year-old Elizabeth Thomas' health science teacher. The sheriff confirming to ABC news, Cummins was suspended last month for inappropriate behavior with Thomas at school. He planned this for some time before disappearing with Elizabeth. Reporter: Investigators say days before the two disappeared, Cummins put up the title on his SUV to get $4,500 cash. Tonight, Cummins is armed. Now facing charges for aggravated kidnapping and sexual contact with a minor. Come home, because we all love you. Reporter: Investigators say Thomas was last seen Monday morning at a restaurant in Columbia, Tennessee. Cummins seen here on surveillance video shortly after, next door at a gas station filling up his silver Nissan rogue SUV. Detectives say Monday afternoon the pair were tracked in Decatur, Alabama, before their trail went cold. Cummins' wife, making a desperate public plea to her husband. Tad, this is not you. Please do the right thing and turn yourself in to the police and bring Beth home. Reporter: Tonight, tips coming in from dozens of states. Authorities think they are still in the U.S., but may have changed their appearance. Tom? Eva, thank you. Now to the hunt for an alleged arsonist.

This transcript has been automatically generated and may not be 100% accurate.

{"id":46243892,"title":"Cops say Tennessee teacher may have planned abduction of 15-year-old student in advance","duration":"1:56","description":"Law enforcement is expressing concerns that the trail may be going cold. ","url":"/WNT/video/cops-tennessee-teacher-planned-abduction-15-year-student-46243892","section":"WNT","mediaType":"default"}