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KUSA - A former Fort Carson soldier who tried to blame his twin brother for his crimes will spend at least 20 years behind bars.

Aaron Lucas pleaded guilty in November of last year to numerous crimes including sexual assault, indecent exposure, enticement and kidnapping.

Prosecutors say his 19 victims range in age from 4 to 10 years old. The parents of one victim say they're particularly upset over Lucas's betrayal of the military uniform.

During the sentencing, Lucas apologized to all of his victims and their families. He faces additional charges in Texas.

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