 Mr Finnegan was killed while cycling in Richmond Park |
The family of a man killed by a paranoid schizophrenic, who had walked out of a psychiatric hospital just the day before, are calling for an inquiry. Dennis Finnegan, 50, was stabbed as he cycled through Richmond Park in south-west London on 2 September 2004.
John Barrett, 42, pleaded guilty to the banker's manslaughter on Friday.
Mr Finnegan's brother, John, said the family were "devastated" and that "everybody involved in his care should be ashamed of themselves".
Calling for the fully independent inquiry into the death, he added: "As you can imagine, losing a brother in such circumstances is diabolical.
"And to say it could have been prevented makes it worse. "I think the major fact of my brother's death is that there was a failure in the care of John Barrett.
"Everybody involved in his care should be ashamed of themselves.
"He [Barrett] was a dangerous man - this should never happen again."
 John Barrett is due to be sentenced on 22 March |
The Old Bailey was told Barrett had a history of mental health problems - he had stabbed three outpatients before - and was admitted to Springfield Hospital in Tooting, south-west London, as a voluntary patient.
Doctors could not keep him against his will although concerns about his condition had been so high that the Home Office had been about to order his recall.
The court was told that when Mr Finnegan cycled along a track through the park he was repeatedly stabbed in the heart by Barrett.
Det Ch Insp Chris Watts said: "In the interview he told us he heard voices in his head telling him to kill.
"He said he didn't want to kill any children or women."
Nigel Fisher, chief executive of South West London and St George's Hospital Mental Health NHS Trust, which runs Springfield, said: "The trust very much regrets the events surrounding the death of Mr Finnegan.
"I am committed to ensuring that an in-depth analysis of the incident takes place to ensure we do all we can to prevent a tragedy of this sort happening in the future."
Barrett is due to be sentenced on 22 March.
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He [Barrett] was a dangerous man - this should never happen again
