As a reporter for The Guardian, Davies was responsible for uncovering the News of the World phone hacking affair, including the July 2011 revelations of hacking into the mobile phone voicemail of the murdered schoolgirl Milly Dowler.
Kao novinar za The Guardian, Davies je bio odgovoran za otkrivanje telefonske afere "News of the World", uključujući i objave iz srpnja 2011. godine o hakiranju govorne pošte mobilnog telefona ubijene školarke Milly Dowler.