Facing mistreatment in his special education classroom, a 7-year-old boy who is nonverbal turned to stick-figure drawings to alert his parents.

Luis Murillo said his son, who has autism, often came home from his Chicago school with bruises but teachers always attributed the injuries to fights among children.

The boy had a different story to tell, however, making drawings of scared kids next to three angry-looking women — all depicted as stick figures — beside words like “no” and “help.”

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Now the boy’s special education teacher has been removed from the class. Murillo and another parent, Jessica Sanchez, whose 8-year-old son with Down syndrome had come home with scratches on his face, want answers.

School district officials say they are investigating the situation, reports the Chicago Sun-Times. To read more click here.