An attorney says video footage could help show that a substitute teacher isn't guilty of a child endangering charge stemming from a school attack.

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PARMA -- An attorney says video footage could help show that a substitute teacher isn't guilty of a child endangering charge stemming from allegations that a developmentally disabled teenager was struck and bullied in gym class at Parma Senior High School.

Authorities say other students kicked the 14-year-old boy and dragged him around by his feet in February at Parma Senior High School.

Related story: Parma students, teacher charged in bullying case

Police say the teacher continued class elsewhere in the gym while the teen remained on the floor.

The instructor, 49-year-old Gregg Mellinger, has pleaded not guilty.

The Northeast Ohio Media Group (http://bit.ly/1j1Q1Sn ) reports defense attorney Ian Friedman has asked for 30 days to review video of what happened.

Friedman says he thinks the video will support Mellinger's not guilty plea.

Authorities have said the boy wasn't seriously hurt.

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