Transcript for Parents of Children Who Were Handcuffed in School File Federal Lawsuit
Thank you, Steve. We turn to the controversial video out of Kentucky sparking outrage. Two students with add, handcuffed. The deputy is facing a lawsuit and the sheriff's office is defiant, saying the deputy did what he was sworn to do. Here is linsey Davis. Reporter: Outrage is growing tonight after the release of this video of an 8-year-old boy handcuffed by this Kentucky sheriff's deputy. You can behave the way you know you are supposed or or you suffer the consequences. Reporter: The third grader handcuffed for 15 minutes because of behavior which his attorney says, is related to his add. The behavior that he exhibited was classic behavior related to his disability. The officer's actions did not help the situation, it hurt him. Reporter: Apparently this use of handcuffs has happened before at the same school to another child, also with disabilities. The parents of both children along with the American civil liberties union now filing a federal lawsuit against deputy Kevin Sumner pictured here. They're having trouble sleeping, don't want to be alone. Reporter: According to some estimates, each year, more than 50,000 students with disabilities are subjected to physical restraint and a disproportionate amount are minorities. One child in this case is black, the other Latino. If you want the handcuffs off, you're going to have to behave and ask me nicely. Reporter: This afternoon, the county sheriff says he stands behind the deputy's actions after school faculty was not able to diffuse the situation, which they said was a threat to others. David. Thank you. There is more ahead of "World
This transcript has been automatically generated and may not be 100% accurate.