Transcript for Deputy performs lifesaving CPR
strong." The deputy performing live-saving cpr, now sharing a special milestone with the child he saved. What's the baby's name? Ryleigh. Reporter: This is William Kimbro's body camera from last June. The South Carolina deputy sheriff pulling over a car for speeding. The mother inside that car, frantic. Ryleigh? Ryleigh? Hey, baby. Reporter: Her 12-day-old baby was not breathing. Come on, baby. Cry for me. Cry for me. Come on, open those eyes, there you go. Reporter: Deputy Kimbro calmly performs life-saving first aid. I'm worried about her, because she starts breathing and then she stops. And then starts and then stops. Reporter: And then -- There you go. Her chest is moving. Reporter: Baby Ryleigh going on to a full recovery. But that's not the end of this story. With him helping out my daughter, I felt like I can't just let him go, he's a part of my heart. Reporter: One year later, Ryleigh celebrating her first birthday, and look who was invited. Deputy Kimbro right there. You're so sweet. Reporter: And again, back together on the anniversary of that fateful day he saved her life. My jaw just dropped and I had this look on my face. Reporter: Deputy Kimbro asked to be Ryleigh's godfather through a hidden message on a card. I was able to finally scratch it off. It says, will you be my godfather? And I just said, absolutely. Yes! I want him to feel like we're family. Which we are family. I feel like I had to give him a title or something. Let him know, thank you. Thank you so much. A great surprise. Thank you for that story.
This transcript has been automatically generated and may not be 100% accurate.