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The father and fiancé of an Australian woman who was shot to death last month by a police officer responding to her 911 call grieved at a public memorial service in Minneapolis Friday night, the same time the family had planned to be on a plane to her wedding.

Justine Damond's father, John Ruszczyk, choked back tears as he vowed to find justice for his 40-year-old daughter, shot by a police officer, whom he described as being "ripped from our arms."

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John Ruszczyk, father of Justine Damond, spoke at his daughter's memorial service Friday, Aug. 11, 2017. (AP)

“You have stolen my daughter and ripped her from our arms,” Ruszczyk said.

"We should be walking down the street smiling and laughing," he said of his first visit to Minneapolis. "But now every step on the foot path is very painful. I feel crushed by sorrow."

“Justine should not have died this way. This is wrong on every level,” Ruszczyk said.

“We want justice for Justine. We are determined to get justice for Justine because by getting justice for her we get it for all others who have died this way.”

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Don Damond, Justine's fiance, spoke at her memorial service on Friday, Aug. 11, 2017. (AP)

Hundreds of people attended the memorial service for the former yoga teacher. Her fiancé, Don Damond, said it “felt like a privilege to love Justine.” They were scheduled to get married next week in Hawaii, and he pointed out the painful irony that the service – held at a lakefront stage near her home in southwest Minneapolis – coincided with the family’s original travel plans.

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Friends and family gathered for a memorial service in Minneapolis on Friday, Aug. 11, 2017, to remember Justine Damond. (AP)

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"I have immense gratitude for being the one she chose," Damond said. "In Australia, they call it 'you're punching above your weight.' I really had to step up to be at her level."

Her family has set up the Justine Damond Social Justice Fund, which will support causes important to her, including those promoting equal treatment for all.

As Damond’s loved ones mourned their loss, the investigation into her death moved forward. A judge approved a search warrant for investigators to examine the smartphones of two Minneapolis police officers involved in the shooting.

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Investigators said Officer Mohamed Noor shot Justine Damond late Saturday, July 15, 2017, after she called 911 to report what she believed was a sexual assault. (AP)

The search warrant application was filed Thursday by an agent with the Minnesota Bureau of Criminal Apprehension. The agent requested permission to download data from the iPhones issued by the Minneapolis Police Department.

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The application states that the information "may more clearly define" the officers' actions before and after she was killed on July 15. Investigators have said Officer Mohamed Noor, 36, shot the woman after she called 911 to report a possible sexual assault near her home.

Noor's partner, Officer Matthew Harrity, told investigators a noise startled him just before Damond approached their police SUV. Noor was in the passenger seat and shot Damond through the open driver-side window. Noor has declined to be interviewed by investigators and cannot be compelled to do so.

The two officers had not activated their body cameras. Minneapolis police officers are now required to have those cameras on when they respond to calls or make traffic stops.

Following Damond’s death, Minneapolis Police Chief Janee Harteau resigned at the request of Mayor Betsy Hodges, who said the department needed new leadership. Hodges nominated Medaria Arradondo, the assistant chief.

The Associated Press contributed to this report.