A 12-year-old girl trapped inside a Montana home during an unthinkable family massacre managed to call 911 and summon help—before she and seven relatives were killed.

Charlotte Ghekiere is now being remembered as the young hero who tried to save her family as gunfire erupted during what should have been a peaceful weekly dinner in Billings.

“The one thing we do know is that Charlotte was the hero,” family friend and neighbor Jennifer Mercer said. “Charlotte called 911 and she tried to save her family.”

Authorities identified the suspected gunman as 44-year-old Alan Smith, an adult son of the homeowners who had reportedly been asked to leave the family residence only weeks earlier.

Investigators have not formally established his motive. Relatives believe the recent dispute over his living arrangements may have played a role, but that remains a theory rather than an official finding.

According to family members and officials, Smith arrived unexpectedly at the house at approximately 6 p.m. Sunday while relatives were gathered for dinner.

He allegedly opened fire, killing his parents, Dana and Barbara Smith; his 92-year-old grandmother, Evelyn Smith; his sister, Megan Ghekiere; and four children.

The children were identified as Chloe Ireland, 7; Owen Ireland, 13; Charlotte Ghekiere, 12; and Landon Ghekiere, 15.

Smith then allegedly set the house on fire. As emergency crews converged on the property, he died from a self-inflicted gunshot wound before police could take him into custody.

The horror erased three generations of one family within minutes.

Brad Ireland, Megan’s former husband and the father of Chloe and Owen, said relatives had previously noticed warning signs surrounding Smith.

“There were many red flags and many people spoke out,” Ireland said. “No one listened.”

The supplied report does not specify precisely what those warnings involved, who received them or whether they included threats of violence. Smith’s unemployment, isolation or heavy computer use cannot by themselves explain or predict such an attack.

Ireland described Smith as a solitary figure who struggled to maintain employment and spent much of his time alone in his bedroom. He had lived with his parents for years after following family members from Seattle to Montana.

Several weeks before the shooting, his parents reportedly told him to move out.

What happened afterward remains the focus of an investigation.

Adam Ghekiere, Megan’s current husband and the father of Charlotte and Landon, believes Smith may not have expected all four children to be inside the house. The family usually gathered for dinner on Fridays, he said, rather than Sunday.

“I don’t think he expected my kids to be there,” Ghekiere said. “Monster isn’t even enough to describe what he did.”

Ghekiere was working as a rescue firefighter at an air show when the emergency call came across a communications system.

He recognized the location.

The address was his in-laws’ home.

As information emerged over the radio, professional training collided with a father’s terror. He traveled toward the scene, but authorities prevented family members from approaching because officers were still treating the property as an active-shooter situation.

“I feared the worst right then,” he said.

Police later confirmed that Charlotte was the person who placed the emergency call from inside the burning nightmare.

The contents of that call were not detailed in the supplied report. But the fact that a 12-year-old reached for a phone while violence unfolded around her has become one of the tragedy’s most devastating details.

Her father now hears one memory repeatedly.

Whenever he told Charlotte that he loved her, she had a familiar response: “I love you more.”

That private exchange has become a final echo for a parent mourning two children at once.

Pictures shared by the family show smiling siblings and parents gathered beside the water—the ordinary happiness of a family that had no reason to believe its weekly tradition would become the scene of a historic crime.

Investigators were seen moving through the burned structure Tuesday, searching for evidence in the ruins. They must reconstruct the sequence of the shootings, determine how the fire was started and examine whether prior threats or other warning signs were reported.

Because the suspected gunman is dead, there will be no criminal trial and no courtroom testimony explaining his actions.

The families left behind must instead search for answers through evidence gathered from a destroyed home, electronic records, witness accounts and the final emergency call made by a frightened child.

Eight lives were taken: parents, a grandmother, a sister and four children whose futures ended around a family dinner table.

But amid the devastation, Charlotte’s relatives want the world to remember more than how she died.

They want people to know what she did.

At only 12 years old, surrounded by terror, Charlotte Ghekiere called for help.

She tried to save them all.