Aired Tuesday 14 July, 10:45am - 11:15amon BBC One London

Expert Witness

Name: 10:45am - Series 4 Episode 11
Start: 2026-07-30T09:45:00Z
End: 2026-07-30T10:15:00Z
Location: BBC One London HD

Series 5 Episode 7: The Murder of Brianna Ghey

A blood spatter analyst helps put the killers of a 16-year-old behind bars, and a forensic speech expert matches a voice on police dashcam to the killer of PC Ian Broadhurst.

Category: Documentary / Crime
Original air date: 14/07/2026

Cast and crew

Ashley John-BaptisteHost

Upcoming broadcasts

Tomorrow, 10:45amon BBC One London
Series 4 Episode 9
Tomorrow, 10:45amon BBC One London HD
Series 4 Episode 9
Wednesday 29 July, 10:45amon BBC One London
Series 4 Episode 10
Wednesday 29 July, 10:45amon BBC One London HD
Series 4 Episode 10
Thursday 30 July, 10:45amon BBC One London
Series 4 Episode 11
Thursday 30 July, 10:45amon BBC One London HD
Series 4 Episode 11