Sabina Eriksson will be sentenced at a later date
A mother who stabbed to death a man who invited her to stay at his Stoke-on-Trent home was suffering from a rare psychiatric disorder, a court heard.
Sabina Eriksson, 41, from County Cork, the Republic of Ireland, knifed Glenn Hollingshead, 54, four times in May 2008, Luton Crown Court heard.
The day before she was released from custody after punching a policewoman.
Swedish national Eriksson earlier pleaded guilty to manslaughter on the grounds of diminished responsibility.
She pleaded guilty to that charge at Nottingham Crown Court on 2 September.
Psychiatrists told Luton Crown Court that the mother-of-two was suffering from either induced delusional disorder or acute polymorphic disorder, which were both rare.
Dr Carol McDaniel said: "Sabina said she heard voices but could not interpret what they were saying."
Glenn Hollinshead met Eriksson as he walked home from the pub
Eriksson, of Mallow, befriended Mr Hollingshead when he was walking home from a pub on 19 May 2008.
On that day she had been been before Fenton Magistrates' Court for punching a policewoman who had tried to stop her from running across the M6 near Keele services on 17 May.
Magistrates in Fenton had sentenced her to one day in prison for assaulting the police officer and putting other road users in danger.
But she was immediately released because of time served in custody.
Mr Hollingshead invited her to stay at his house as she had nowhere to sleep, but in the morning she killed him and later jumped 40ft (12.2metres) from a bridge on to the A50.
She is expected to be sentenced on Thursday.