The research was a joint effort between scientists at Israel's Hebrew University of Jerusalem and Stanford University in California.
28-year-old Patriot Front member Jared Boyce will face up to 30 years in prison at his sentencing on Tuesday.
Police have opened an investigation following suspicion raised after several complaints were filed against the teacher.
Some refuse to accept Caliphate's territorial defeat and seek to bear it more children – using pubescent boys within the camps as sexual partners.
In 2022, he confessed to the crimes he committed six years earlier in Israel and was sentenced last week.