Joanna Dennehy told the judge as she pleaded guilty to murdering three men , "I've pleaded guilty and that's that".
Dennehy also admitted "preventing the lawful and decent burial" of all three murder victims.
Her shock guilty pleas left the courtroom at the Old Bailey stunned.
The defendant's barrister, Nigel Lickley QC, said: "The course of the arraignment is not one we had anticipated."
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Fine for many tomorrow.
A rollercoaster has come off the rails at a theme park in Scotland, leaving eight children and two adults in hospital.
"I saw a lot of smoke come out from the tail-end of the aircraft. I wondered if it was normal, whether it was just exhaust fumes."