four sisters were at the centre of an international custody dispute .
vinceni girls were sent back to live with their father in italy in 2012 .
they were dragged kicking and screaming from their sunshine coast home .
distressing scenes were shown on tv causing great hysteria and concern .
60 minutes exclusively interviewed the girls at their home near florence .
the two eldest , emily and claire , speak of their regret of dramatic exit .
their mother has not visited them in italy but speaks to them everyday .
60 minutes will screen nationally on channel 9 at 8.30 pm sunday , april 12 .