Phillip and Nancy Garrido's House

A convicted sex offender and his wife arrested in the 1991 kidnapping of an 11-year-old girl who recently went to police allegedly kept her as a sex slave, FOX 40 News reported.

Authorities told the station that the victim, Jaycee Lee Dugard, bore several children for sex offender Phillip Garrido and said Garrido and his wife Nancy kept Dugard as a sex slave in a shed or other unit in the backyard.

Phillip Garrido, 58, and Nancy Garrido, 54, are in custody in Dugard's abduction 18 years ago from a school bus stop.