a police officer rushing to the scene in granbury, texas. a young mother and father have just called 911. >> county 911, what's the address of your emergency? >> yes, yes, ma'am. my son is -- we're at kfc. my son's not breathing. >> okay. is he not breathing at all? >> he's not responding. >> reporter: officer chase miller pulling into that lot, on first there. and when he pulls in, you see a worker there in red, the parents to the right, holding their 3-year-old who had stopped breathing. his mother carries him over. you see the officer hold the boy, and then place him on the ground, giving him cpr. the parents pacing, grief-stricken. the officer then shows braden's compressions, how to keep the cpr going while the officer gets a breathing mask from his patrol car. this would continue for several agonizing minutes. last night, there was braden, standing next to the officer who was first on the scene and who saved his life. his parents, grateful. a hero who answered that call. thank you for watching. it's not uncommon for autistic kids to fl