We're back now. Bode miller with a bitter custody battle with his exgirlfriend. Reporter: This morning, bode miller in an ice cold custody battle with his ex over their 9-month-old son. Sara told cnn... See More
We're back now. Bode miller with a bitter custody battle with his exgirlfriend. Reporter: This morning, bode miller in an ice cold custody battle with his ex over their 9-month-old son. Sara told cnn she moved to new york city while seventh months pregnant to attend columbia university. Only after, she claims, miller denied being the father. She said, go take your paternity 'tis already. I'm over the way you have been treating us. You can't hide dna. He never wanted much to do with hi son. He energily asked if he could sign over his rights. Reporter: She says attempts to keel miller in their some's life were denied. Releasing this text message she sclams from him. I'm not sure. I'm not going to do this with you sar are. You maid this choice against my wish and gave me no say. You're going to do this on your own. My only option was to quit working 72 hours a week at a dapg rouse job where I had almost lost my life a few months prior, to make the best life for my child. Reporter: Miller had an apparent change of heart, accusing her of fleeing with their unborn child. A new york judge agreed. A california family court granted miller custody. This morning, miller could not be reached for comment. He said he wanted to do his duty BUT miss McKenna wanted to humiliate him. Miller is currently training for the winter olympics. They have both said they hope for coparenting. So far, robin and george, they can't agree on a name. She calls the baby sam, he calls him nate. Wow. I hope they can work it out.
This transcript has been automatically generated and may not be 100% accurate.