Just 18 years old, Kristen Modafferi, from Charlotte, NC, vanished after last being seen at the Crocker Galleria in San Francisco's financial district. This was way back on June 23rd, 1997.
Kristen has never been seen since.
There is a Berkeley, Ca connection to Kristin's case. 10 days after she vanished - Jon Onuma made an anonymous call to KGO-7 TV saying Kristen was killed and her body was hidden up in Point Reyes.
Onuma was living with his girlfriend, Jill Lampo, at the time and in 2012 - Lampo confessed to her uncle her role in the kidnapping and death of a woman and that the guilt was overwhelming.