Kidnap girl Elizabeth Thomas caught on camera: Critical moment she closes front door to go on the run with perv teacher Tad Cummins

– New footage obtained by ABC’s 20/20 shows Elizabeth leaving her home
– She gets into an unknown vehicle with several bags
– The same day, she disappeared with Tad Cummins
– The pair were on the run for 39 days before capture
– The footage was taken by a home surveillance camera at the Thomas residence
– Authorities found the pair in a remote cabin in Cecilville, California on April 20
– Cummins may now face life in prison