Schoolgirl Nikki Allan was taken into a cellar after she had been attacked in a separate part of an abandoned building, a forensic scientist has told a court.
Nikki, 7, had been hit on the head with a brick and stabbed 37 times after she had allegedly been abducted and taken to the Old Exchange building, in Sunderland, reports Chronicle Live.
David Boyd is standing trial accused of her murder, but has denied the offence.
