"In River Glen, Oregon, rumors are spreading about the Babysitter Stalker. One victim was fatally stabbed. A second fell--or was pushed--from a rooftop deck. High school sophomore Jamie Whelan, scheduled to watch the Ryerson twins tonight, isn't worried. She's more interested in the party she'll go to later, as soon as her sister Emma arrives to take over babysitting duties. But nothing goes according to plan ... Twenty years after that night's vicious...