Parents Were Moving Daughter Out of Ex's Home After Breakup. Then He Opened Fire, Killing Mother: Police

Ruth Robison, 45, of Iowa was allegedly shot and killed by her daughter’s ex-boyfriend on Friday, Nov. 1

Polk County Sheriff's Office; Polk County Jail Ruth Sue Ann Robison; Hamza Smajlovic

Polk County Sheriff's Office; Polk County Jail

Ruth Sue Ann Robison; Hamza Smajlovic

An Iowa mom was killed and her husband was critically wounded when their daughter’s ex-boyfriend allegedly shot them while they helped her move out of his home after a breakup, authorities said.

On Friday, Nov. 1, police in Des Moines rushed to a home on NW 51st Place at 5:24 p.m. while responding to a report about shots being fired, the Polk County Sheriff’s Office said, the Des Moines Register, NBC affiliate WHO 13 and CBS affiliate KCCI report.

When they arrived, they found a woman, identified as Ruth Robison, 45, and her husband, Tony Ray Robison, 52, suffering from gunshot wounds to the head, the sheriff’s office said, the Des Moines Register reports.

Hamza Smajlovic allegedly shot the couple with a 9mm pistol, authorities said, according to criminal complaints obtained by the Des Moines Register and WHO 13.

They were rushed to the hospital, where Ruth Robison died. Her husband survived, but remains in critical condition.

Police arrested Smajlovic, 24, and charged him with first-degree murder, attempted murder and intimidation with a dangerous weapon, according to online court records.

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Authorities said Smajlovic and the Robisons’ daughter, Jasmyne, 24, had just broken up and her parents were helping her move her belongings out of the home where they'd lived together.

Police alleged in the criminal complaint that Smajlovic shot Robison once in the head and also shot her husband in the head, the Des Moines Register reports.

Smajlovic remains held in the Polk County Jail on a $750,000 cash-only bond, according to online court records. He is scheduled to appear in court on Nov. 12. It is unclear whether he has retained an attorney who can speak on his behalf.

The Polk County Sheriff's Office did not immediately respond to PEOPLE's request for information.