A man with schizophrenia who killed an Adelaide mother presented at hospital with "homicidal ideations" and told clinicians he would "kill anyone", but was released, with treating doctors finding no evidence of psychosis, an inquest has heard.
Coroner Naomi Kereru is examining how Jayden Tanee Lowah was free to "roam around" the community while experiencing schizophrenic delusions before he killed mother-of-two Michelle Foster in a random and unprovoked attack.
Mr Lowah beat Ms Foster to death outside the Colonnades Shopping Centre at Noarlunga in October 2018.
He was found not guilty of murder by reason of mental incompetence.
The inquest into her death heard Mr Lowah was released from a high-dependency unit at Yatala Labour Prison into homelessness six weeks before he killed Ms Foster.
The inquest heard he had been in prison for violently assaulting two members of the public in unprovoked attacks 12 hours apart.
Counsel Assisting the Coroner Peter Longson told the inquest the same day the then 20-year-old was released from prison, Mr Lowah called himself an ambulance and was taken to the Noarlunga Hospital with homicidal ideations, telling doctors he would "kill any (one), any (one) will do".
The inquest heard Mr Lowah was released from hospital and eventually went to live with his father.
But six weeks later, when his first Centrelink payment was made, he took a bus to Noarlunga and killed Ms Foster.
Doctor tells inquest he didn't know his patient killed Ms Foster
Psychiatric registrar Dr Andrew Taylor — who had only been working at Noarlunga Hospital for about six weeks — was one of the last doctors to examine Mr Lowah before he killed Ms Foster.
Dr Taylor told the inquest he had no memory of seeing Mr Lowah.
"How many patients had you seen up until September 15 of 2018… who shortly after you saw them have randomly murdered someone in the street?" Counsel Assisting the Coroner Peter Longson asked Dr Taylor.
"None that I can recall," Dr Taylor replied.
Dr Taylor told the inquest he did not remember seeing any media reporting on the incident, and did not know Mr Lowah had killed Ms Foster until he was asked to provide a report to police two years later.
Dr Taylor said he could "not recall any correspondence" with anyone, including colleagues, fellow doctors or hospital administration, about Mr Lowah following the incident.
Dr Taylor said it was "a possibility", but he had "no evidence", that Mr Lowah had called an ambulance that night as a cry for psychiatric help.
"Even in hindsight I don't see any evidence (of psychosis)," Dr Taylor told the inquest.
"I think he did want something from the hospital and he thought the hospital could provide it.
"In that regard, yes I think he was seeking help."
The inquest heard after Dr Taylor assessed Mr Lowah and found no evidence of psychosis, he returned to the hospital's emergency department and was released into homelessness with no identification and no money.
"Who is going to deal with him on the street in his homeless state? No one is going to deal with him on the street with his homicidal ideation," Mr Longson asked Dr Taylor.
"I'm not certain," Dr Taylor replied.
The inquest continues.
