A jailed Anthem doctor has been charged with 11 counts of sexual exploitation of a minor.
The Maricopa County Sheriff's Office says forensics on Dr. Lewis Don Underwood's home computer and other evidence taken from his residence found over 88,000 images and 1,500 videos of child pornography.
Sheriff Joe Arpaio says there is a strong indication gleaned from the evidence that Underwood may have victimized other children.
Underwood was arrested in December on suspicion of molesting a former employee's 9-year-old son.
Sheriff's investigators said the boy told his mother that he and Underwood played a "tickling game" while at the doctor's home.
Sheriff's Lt. Brian Lee says authorities also found photographs of the boy naked and taken in a backyard pool.