In addition to Walker, five witnesses testified Thursday morning, including officials with cell phone companies and a computer forensic specialist for the Ohio Bureau of Investigation who testified about her analysis of the contents of 17 cell phones examined by police.

CNN: STORY HIGHLIGHTS

The Gwent Police Fingerprint Bureau will review all the prints found at the scene and a number of specialist forensic agencies will examine certain areas of the shop wall and floor.

BBC: NEWS | UK | Wales | South West Wales | Family's hopes over new inquiry

He said specialist officers were carrying out forensic tests on the plane as the two men were questioned in custody.

BBC: England

Specialist crime scene investigators carried out forensic searches in the alleyway on Friday and at the Grafton House bed-and-breakfast hotel on the same road.

BBC: Sasha Marsden stabbed to death in Blackpool alley