Becky Watts' dad has said Nathan Matthews and Shauna Hoare should pay with their own lives for the barbaric murder.
Darren Galsworthy spoke after Matthews was found guilty of Becky's murder and Hoare was found guilty of manslaughter by a jury at Bristol Crown Court.
The pair were also found guilty of conspiring to kidnap Becky before she was suffocated to death while at her Crown Hill home on February 19.
He said: "There's only one way to pay for this sort of crime - and that's by...
