'The best days of my life' come from firefighter adopting baby he delivered

Rebecca Gracie Hadden was born November 14, 2011.

Story highlights

  • It's been five years since Marc Hadden delivered a baby girl in the back of an ambulance
  • He and his wife adopted the baby and he says the girl has changed their lives for the better

(CNN)An emergency call resulted in a first responder taking a baby home to keep as his own.

"I will never forget that day. It was a day when a lot of things came full circle," Marc Hadden told CNN