She had been in failing health for several months which lead up to her death.
Russell's health had become increasingly poor in the last three years leading up to his death.
He says he has no memory of the events leading up to her death.
"The circumstances leading up to his death are under investigation."
Karen then has a vision of the events that led up to Carla's death.
He was on a European tour in the week leading up to his death.
However the final series focuses on the events leading up to her death.
"It would not explain my knowing how he died, and all the circumstances that led up to his death."
And from the edge of experience he began to bring back, in the years leading up to his death in 1983, a new sound.
The circumstances leading up to the man's death appeared to the police to be irregular, but they had not yet made any charge.