Noosa schoolgirl killer fights for life in hospital

One of Queensland's most notorious criminals remains critically ill in a Townsville hospital.

Faye Cramb - formerly known as Valmae Faye Beck - was jailed for life for the 1987 toture and murder of Noosa schoolgirl Sian Kingi.

She was taken to hospital from the Townsville Correctional Centre earlier this week to be treated for a heart problem..

It is understood her condition has deteriorated.

Queensland Police Minister Judy Spence says investigators are hoping for a deathbed confession from the notorious child killer who is critically ill in a Townsville hospital.

Spence says police are hoping she regains consciousness so they can question her further.

"I know there are police who have dealt with her and Barry Watts over the years who believe that she may still have information on some unsolved crimes," she said.

"They would like to interview her at this point of time, when she faces her own mortality, and see if she's got something else to say."

Cramb's former husband Watts is serving life for Ms Kingi's rape and murder.