kristi goll, jackson's mother: "the door bell rang."e: "my husband and i walked in and i said kristi and jackson, i have something for you."kristi goll, jackson's mother: "i had no idea what was going on. she gave me a gift and then gave jackson a gift. i ripped opened the gift, and the first word said kidney. and i knew that's what it was."alison kosik: "what was it?"kristi goll, jackson's mother: "it was her saying i'm here to save jackson's life. "after a successful surgery, she did just that. alison kosik: "what kind of person, puts themselves out there like that to a total stranger?"officer lindsey bittorf, milton, wisconsin police: "these days not many people do that anymore."kristi goll, jackson's mother: "i still can't believe that this just happened. it's just amazing that somebody is willing to do that for you."bittorf says the risks of donating her kidney are less than what she faces on the job.officer lindsey bittorf, milton, wisconsin police: "i took an oath to serve and protect my community and now my kidney will serve and