Amedeo Matacena was accused of having requested the electoral support of the 'Ndrangheta from the Rosmini family . A circumstance confirmed, also by the friendly visits he entertained with the children of the boss of Sinopoli, Carmine Alvaro, known as "u cupertuni".
In the early 1990s Matacena had been involved in the maxi Olimpia investigation , when the DDA of Reggio Calabria reconstructed some events of a criminal nature, including a hundred murders, as well as the relations between the 'Ndrangheta and politics, starting from the early 80s.