this is where four-year-old amanda nicole campbell was last seen riding a bike to her friend's house. known as nikki, this dais had a huge impact on the neighborhood. this neighbor remembers the day nikki disappeared like it was yesterday. neighbors went knocking door to door as the community united to find the little girl. >> it was a very big deal. i'm sure if you went to any neighborhood in fairfield, you will talk to people who remember it. >> everybody was scared. >> we held our kids a little closer, a little tighter. afraid that it was in our pretty new neighborhood. who was it. >> reporter: investigators are now talking with authorities in pennsylvania where the murder of eight-year-old gretchen harrington happened. in georgia where this man currently lives to see if he could be linked to nikki's case. he was a pastor at the fairfield christian reform church at the time she went missing. neighbors hope this could be the lead that gives the family some closure. >> i can't imagine what the family must have gone through at that time. and must be going through still even now to thi

this quiet fairfield neighborhood is where 4-year-old amanda nicole campbell was last seen riding her bike to that friend's house. known as nicky her case had a huge impact on families living in the area. >> i'm shocked actually. i was really shocked. >> reporter: this resident didn't want to be seen on camera. but remembers the day nicky disappeared just like it was yesterday. neighbors went knocking door the door as a community united to find the little girl. >> it was a big deal. very big deal. if i -- i'm sure if you went to any neighborhood in fairfield, you would talk to people who remember it. everybody was -- scared. you know, everybody was very protective of their children. everybody, you know, held them a little closer. a little tighter. afraid that it was in our pretty new neighborhood. and -- who was it? >> reporter: fairfield investigators are now talking with authorities in pennsylvania where the murder of 8-year-old gretchen herrington happened and georgia where this man david zanstra currently lives to see if he could be linked to nicky's case. he was a pastor at the f