Matthews Describes How He Killed Becky Watts

The stepbrother of murdered teenager Becky Watts has told his trial that cutting up her body was "surreal". Nathan Matthews said he killed the 16-year-old girl after a kidnap went wrong and then the next day he put her in his bath, removed her clothes before dismembering her, a court heard. On dismembering his stepsister, Matthews said: "I just did it.