Experts are not sure why a massive group of sea lions in San Francisco's Pier 39 disappeared. But a CBS 5 viewer in the East Bay has spotted a few sea lions there. Jeffrey Schaub reports.
Following a record sized herd, hundreds of sea lions have suddenly disappeared from San Francisco's Pier 39 and have been gone for a month. Joe Vazquez reports
VIDEO: Sea Lions Mysteriously Disappear From Pier 39