Daughter of double murderer who owned 13 licensed guns warned police THREE TIMES before killings

She warned them about the “real and immediate threat” her father posed.

Mark James Bombara shot Jennifer Petelczyc and her 18-year-old daughter Gretl in their home in Perth, Western Australia last Friday.

He was reportedly a former partner of a friend the pair were trying to help.

"My mother and I made it clear that our lives were at risk – we were repeatedly ignored, repeatedly failed," Ariel Bombara said.

She added: "I did everything I could to protect my mother — when my father couldn't find us he murdered her best friend and her best friend's daughter."

Police Commissioner Col Blanch said police would launch an internal investigation in response to Ariel Bombara's claims.

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He said: "I want to reinforce that me as the Commissioner and our entire WA Police Force are extremely saddened by the tragic events of Friday.

"And if there's anything that we can do to improve the way we police going forward, the internal investigation will no doubt bore those details out."

However, Ariel Bombara said she felt let badly let down.

She said: "My father should always be considered accountable for his actions – they were his actions and his alone.

"However, [there were] authorities who should have helped us stop him and they failed."

She also claimed she asked police if she and her mother could take out a 72-hour temporary protective order but was told "there was nothing police could do about the situation at the time".

Police Minister Paul Papalia yesterday said Mark James Bombara was licensed to own 13 guns – 11 on a recreational licence and the two handguns he brought with him on Friday on a collector's licence.

The father turned the gun on himself after the attack on Berkeley Crescent.

He had no prior convictions and was only known to police because his ex-partner had requested their attendance when she removed belongings from their property in early April.