Friend is being blackmailed with nude pics, even some of when she was a minor..
This could (depending on the country) be a very serious crime, so I'd say report this to the police.
She is.. But I doubt they will do anything.. .
Well it varies on the country, But my friend has experience with our local authorities about also her issue about blackmailing with some kind of nudes, But the difference is she is sure that it is made up by his ex. Her case was easily responded by our anti-cybercrime group she said. She's fine now and the issue is gone. I'm sure there's a hacker that can help you with this case, Maybe try finding on another tech-related forum, Someone will surely take the job since you will be paying for its services.