The Roast Busters' Facebook group may have been removed but the photos, videos and messages posted by the teen rape club in New Zealand can still be recovered, according to a private investigator.

Thompson and Toresen director of private investigation Daniel Toresen said digital media including text messages can still be recovered from computers and smart phones. Mr Toresen said Facebook posts can be viewed using Internet caches or saved snapshots of Web sites.

According to Mr Toresen, authorities can secure search warrants to obtain digital information directly from Facebook to aid in the ongoing investigation of the Roast Busters. He said if police can have access to the suspected members of Roast Busters' computers, they can find cache information. Mr Toresen explained that police can investigate the trail of Internet activities including the videos and photos uploaded online. Smart phones can also be used to recover deleted media depending on the model type. He mentioned cloning the iPhone 4S to recover deleted information.

The detective is confident that New Zealand authorities can clone every electronic device they find that is linked to the Roast Busters.

Meanwhile, authorities continue to pursue all leads to apprehend the Roast Busters. New Zealand's Police Minister Anne Tolley has asked the Independent Police Conduct Authority (IPCA) to handle the investigation of the Roast Busters after her meeting with Police Commissioner Peter Marshall.

Ms Tolley said she asked the IPCA to look into the case of a 13-year-old girl who filed a complaint against the Roast Busters in 2011. She said the parents of young girls will need to trust the authorities to handle complaints of sexual assault. The minister also asked victims of Roast Busters to come forward and help speed up the investigation.

Suspected member leaves school

One of the boys embroiled in the Roast Busters controversy has left school after allegations came out about an incident involving a female student. Authorities said it was understood that the young boy in question was Beraiah Hales when he was still going to Green Bay High School.

The media had no idea about the incident at a party after school hours. The boy's parents came out publicly recently and urged their son to stop treating girls as a source of entertainment. His parents was interviewed by One News and said they didn't think their son was capable of doing "that sort of thing" but they knew he was arrogant and an idiot.

Green Bay school principal Morag Hutchinson said she was aware of the allegations involving a former student and his suspected link to Roast Busters. Police are currently investigating the case and still encourage other victims to come forward.

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