Richard Allen Davis during his confession.

Richard Allen Davis

In this Dec. 7, 1993 file photo, Richard Allen Davis appears with his public defender, Bruce Kinnison,
 in Sonoma County Municipal Court in Santa Rosa, Calif.

Richard Allen Davis

Richard Allen Davis

Richard Allen Davis

Richard Allen Davis

Richard Allen Davis

Richard Allen Davis on death row

Richard Allen Davis on death row

Richard Allen Davis on death row

Richard Allen Davis on death row

Richard Allen Davis - Composite suspect

Reward poster

The victim

12-year-old Polly Hannah Klaas

Polly Klaas

Polly Klaas

Polly Klaas

Polly Klaas

12-year-old Polly Klaas of Petaluma, Calif.