Tragic new detail revealed in Costessey 'murder-suicide' after father, daughters, 8 and 12, and aunt died from stab wounds

A TRAGIC new detail has emerged after the deaths of a father, his two daughters and sister-in-law in a suspected murder-suicide.

Jasmin Kuczynska, 12, and eight-year-old Natasha Kuczynska were discovered at home at Costessey, Norwich, on January 19th.

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Father Bartlomiej Kuczynski, 45, and the children's aunt Kanticha Sukpengpanao, 36, were also found following a 999 call.

An investigation into the fourfold tragedy heard today how Natasha and Jasmin's bodies were identified by a neighbor at the hospital.

Norfolk coroner Samantha Goward appeared to cry as the heartbreaking details were revealed.

The hearing was told that Natasha's preliminary medical cause of death was recorded as “sharp force injuries to the neck”.

Her older sister died of an “incised neck wound”, while Bartlomiej's cause of death was given as a “stab wound to the neck”.

Kanticha, who was visiting from Thailand, died of “stab wounds to the neck”. court was told.

The coroner adjourned the hearing for a preliminary investigation judgement on April 29.

She also ordered a mental health report health confidence after Bartlomiej came forward undergo an assessment before the tragedy.

Norfolk Police confirmed that the deaths of Jasmin, Natasha and their maternal aunt are being treated as homicides.

The father's death is not considered suspicious and officers are not looking for anyone else in connection with the killings.

The Independent Office for Police Conduct (IOPC) has launched an investigation into the quadruple tragedy previous contact with Bartlomiej.

a missing person An investigation was launched on December 14 after he disappeared from the property.

He was later discovered close to his home and taken to Norfolk and Norwich University Hospital to undergo a mental health assessment.

But it has now emerged that the father left before tests could be taken, with the hospital confirming this is not the case mental health Services.

Norfolk Police also referred themselves to the watchdog after a 999 call Bartlomiej made before police horror.

Police did not send officers to the house and instead showed up an hour later when a dog walker raised concerns.

The watchdog said of Bartlomiej's call: “During that call, the man expressed concern about his own mental state and said he was confused.

“He was advised to seek medical advice but police were not present.

“Around 7am, police received a call from a dog walker who was concerned about the welfare of people in the house.

“Officers attended shortly afterwards and tragically found the man, a woman and two children dead.

“Following a mandatory referral from police, we have decided to investigate and will investigate whether the manner in which police handled the contact they had with the man was appropriate and in accordance with policy, training and procedures of the police.”

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