(CNN)When Ahmed Mohamed went to his high school in Irving, Texas, Monday, he was so excited. A teenager with dreams of becoming an engineer, he wanted to show his teacher the digital clock he'd made from a pencil case.
The 14-year-old's day ended not with praise, but punishment, after the school called police and he was arrested. A photo shows Ahmed, wearing a NASA t-shirt, looking confused and upset as he's being led out of school in handcuffs.
"They arrested me and they told me that I committed the crime of a hoax bomb, a fake bomb," the freshman later explained to WFAA after authorities released him.
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