Detailed text transcripts for TV channel - KGO - 20170625:00:58:00
>> reporter: as well as the other first responders who teamed up to help. her mom, unresponsive after a seizure. the only other person home, her infant brother. >> can you tell me the numbers that are on your house? >> fifteen -- hello? >> reporter: abrianna knew to call 911. but she didn't know her address. dispatchers found her by tracking the cell phone. >> and the longer we keep somebody on the phone the more precise the address is. >> reporter: so how did a 4-year-old know to call 911? >> because mommy showed me. >> reporter: her mom taught her the password on her phone and how to use the...