CORRECTS DATE TO NOV. 18 - Austin Sigg, center, appears in Jefferson County Court, in Golden, Colo., Monday, Nov. 18, 2013 for a sentencing hearing. Sigg, who has pleaded guilty to the kidnapping and murder of 10-year-old Jessica Ridgeway in October 2012, faces a possible life prison term. (AP Photo/The Denver Post, RJ Sangosti, Pool)
Austin Sigg sits in district court in Golden, Colo., on Monday, Nov. 18, 2013, during his sentencing. Sigg, 18, pleaded guilty last month to kidnapping and killing Jessica Ridgeway in Westminster in October 2012.(AP Photo, Denver Post, RJ Sangosti, Pool)
Westminster Police Chief Lee Birk testifies in district court in Golden, Colo., on Monday, Nov. 18, 2013, during the sentencing phase for Austin Sigg. Sigg, 18, pleaded guilty last month to kidnapping and killing Jessica Ridgeway in Westminster in October 2012. (AP Photo/Denver Post, RJ Sangosti, Pool)
Jessica Ridgeway's aunt Becca Ridgeway, left, mother Sarah Ridgeway and grandmother Christine Ridgeway, right, testify in district court in Golden, Colo., on Monday, Nov. 18, 2013, during the sentencing phase of Austin Sigg. Sigg, 18, pleaded guilty last month to kidnapping and killing Jessica Ridgeway in Westminster in October 2012. (AP Photo/Denver Post, RJ Sangosti, Pool)
Tears roll down the face of Austin Sigg, center, in district court in Golden, Colo., on Monday, Nov. 18, 2013, during his sentencing phase. Sigg, 18, pleaded guilty last month to kidnapping and killing Jessica Ridgeway in Westminster in October 2012. (AP Photo/Denver Post, RJ Sangosti, Pool)