The kidnapping of Polly Klaas and lasting impact on the nation. On a fall night in 1993, an intruder entered the home of 12-year-old Polly Klass and kidnapped her during a sleepover with two friends while her mother slept in the next room. The new 20/20 ‘Taken In The Night’ full episode reports on how the bold kidnapping spurred not only the small town of Petaluma, California, but the entire nation into action and explores the lasting impact of her case on the justice system, kidnapping investigation protocol, and much more.