Not only toxicological tests , but also the elderly couple 's cell phones are being examined to discover the truth about the mystery surrounding their death .

The unique technical tests began yesterday morning on the biological evidence and telephones acquired by the RIS in the home of the commercial agent Luigi Gulisano, 79, and his wife Marisa Dessì, 82, found lifeless together in the study of their home in via Ghibli, Cagliari, last December 5 by one of their sons.

While the Carabinieri of the Scientific Investigations Department will analyze the traces of blood found in the apartment , the food remains recovered (not only among the waste, but also in the fridge and pantry), as well as fingerprints and other acquired material that is considered useful for the investigation, the IT technicians will probe the memories of the telephones to recover messages, chats and other material on the traffic of incoming and outgoing calls in the days surrounding what, many among the investigators, are now convinced was a double homicide.

The case is still against unknown persons. The feeling among the investigators of the Public Prosecutor's Office and the Carabinieri is that a breakthrough could be reached quickly .

Further details in the article on L'Unione Sarda on newsstands and in the digital edition

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