Allow me to 'clue' you in. It would be totally against the PATTERN demonstrated by the SDPD to have asked the kids that question. Anything information/evidence that would have ruled out DW as the perp was PURPOSELY IGNORED or DISCARDED.
If you need more proof , just ask around. They proved this over and over and over in testimony.
Questions were asked like,"Did you try and use the CHILD MOLESTOR DATABASE to compare these unknown prints to?"
Response: "NO"
"WHY?"
Response: "No one asked me to"
Was the defense lawyer under the same obligation to ignore and avoid investigating ?