The Senegal-born 24-year-old rose to fame with charming videos of his reactions to everyday life in which he never says a word.

Gilet will take on the role of DI Mervin Wilson in the popular series. In the first trailer for series 14, the actor can be seen investigating a murder as the new detective inspector of Saint Marie.

Neonatal expert Dr Shoo Lee is expected to share the findings as he sits with Letby’s legal team on a panel next Tuesday.