Thai authorities have convicted two bar workers for the murders of the British backpackers, amid allegations that the suspects made confessions under duress.
Mr Miller and Miss Witheridge were brutally murdered on the holiday island of Koh Tao in September.
Zaw Lin and Wai Phyo have been sentenced to death.
An inquest into the death of Jersey man David Miller will resume in the island today.
The 24-year-old was murdered while travelling in Thailand in 2014.
Two Burmese migrants have been sentenced to death for the crime.
Now a verdict has been made, a short hearing is expected to conclude the Jersey inquest.
David was killed alongside fellow British backpacker, Hannah Witheridge.
David Miller from Jersey, and Hannah Witheridge from Norfolk were found dead on a beach in Thailand in September 2014.
The Miller have told ITV News they are against the death penalty issued to the two men convicted of David's murder. The pair are appealing.
A human rights activist defending the men found guilty of murdering David Miller says the 'botched' investigation can't prove their guilt.