The 19-year old was headed home to Chattanooga after treatment for a brain tumor at St. Jude Hospital June 30, 2015.
It's a trip they've made for 17 years.
This time, an unarmed Hannah, set off the metal detector at a security checkpoint
"They wanted to do further scanning, she was reluctant, she didn't understand what they were about to do," said her mother Shirley Cohen.
Cohen told us she tried to tell TSA agents her daughter is partially deaf, blind in one eye, paralyzed, and easily confused, but said she was kept at a distance by police.
"She's trying to get away from them but in the next instant, one of them had her down on the ground and hit her head on the floor. There was blood everywhere," said Cohen.
