Johnathan MacKinnon, 22, and Stefan Millar, 21, deny killing 16-year-old Liam Aitchison on the Isle of Lewis in November 2011. The incident sparked the first murder inquiry on the Western Isles for 40 years.
A documentary crew has asked for cameras to be allowed into the High Court in Glasgow to record the three-week case, which is due to begin next month. Recording will be carried out by Windfall Films, which also covered the re-trial of Nat Fraser.
He was convicted for a second time last May of murdering his wife Arlene.
Filming is thought to be for a forthcoming Channel 4 documentary aiming to give viewers an insight into Scottish murder trials. A spokesman for the Scottish Courts Service confirmed an application has been made to record the case.