And the legitimate agents provide the phone numbers, addresses and names of their executives so potential clients can contact them most of the sites aimed at pedophiles not only provide little or no means of contact, but even hide the identities of the owners behind anonymous site registrations. Such images on an agency Web site would drive away many parents who might be seeking representation for their child, executives said indeed, most photographs of child models are nothing more than head shots. These executives said that real modeling agencies would refuse to use the types of sexualized images of children sought by pedophiles, not only because they are exploitative and illegal, but also because they would be bad business. Most child images for genuine agencies are password-protected, the executives said, with access granted to companies and casting agents only after a check of their backgrounds. But executives in the legitimate modeling business said that virtually everything about the sites runs contrary to industry practice. In contrast to their advertising, many of the sites portray themselves on their main pages as regular modeling agencies trying to find work for their talent.