The horror motive was uncovered after a man brutally murdered six members of his own family, including two boys, 10 and 13

A man has been found guilty of murdering six members of his own family – including two boys aged just 10 and 13.

Diego Uribe, 28, now faces a life sentence after an Illinois jury read the verdict after deliberating for 10 hours on Wednesday.

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He will be sentenced on November 7th.

Police discovered the massacre after being called to the Martinez family home in Chicago in 2016.

Officers arrived and found 62-year-old Noe Martinez Sr.; his wife, 58-year-old Rosaura Martinez; her son, 38-year-old Noe Martinez Jr.; their 32-year-old daughter Maria Herminia Martinez; and her two sons, 13-year-old Leonardo Cruz and 10-year-old Alexis Cruz, all dead, CBS reports.

It was determined that the victims were likely murdered by someone they knew as they were not restrained.

Uribe and his then-girlfriend Jafeth Ramos were each charged with six counts of murder four months after the death.

They were linked to the crimes through DNA and cell phone data before they confessed.

Uribe’s confession was played to the jury.

Ramos has struck a plea deal in exchange for testifying against Uribe.

Cook County Assistant Prosecutor Risa Lanier said the testimony helped “to provide the jury with context as to why these murders happened, what happened in that home, and every possible motive behind it.”

“It’s even hard for all of us to imagine how someone could have done this to six members of this family,” she said.

According to Ramos, on Feb. 2, 2016, she and Uribe were returning home from a doctor’s appointment when he showed her a “cowboy gun” and told her he had “a job to do” at his Aunt Maria Martinez’s house, ABC7 reports .

When they got there, Ramos said the aunt offered him food, but Uribe demanded that he speak privately to the aunt, who he was holding at gunpoint.

Rosaura Martinez then threatened to call the police and Uribe kicked her down the stairs and stabbed her before forcing the children to search for her

Uribe walked away with $250 in cash, some jewelry, an Xbox and the contents of a piggy bank, ABC7 said.

Ramos concluded that Urbie followed Alexis to a bedroom in the basement, where he stabbed him multiple times.

He stabbed Leonardo in the living room as he begged for his lfie, Ramos said.

When Noe Martinez Sr. came home from picking up dinner, he was stabbed by Urbie.

Ramos faces a proposed 25-year sentence and a charge of armed robbery.

Armando Cruz, the father of the two youngest victims, said Uribe was a “monster” and emotionally told reporters he wanted his children to be remembered with love.

“I don’t know at what moment he became the monster he is today,” Cruz told ABC7.

“He was always very calm. It’s hard to see that he was laughing and pointing when they talked about him. It is difficult. I don’t know who this person is.”

Defense attorneys told CBS they wanted to request a new trial.

ABC7 reports the defense told the jury Uribe did not act alone and masked men helped him.

“How could one person subdue six struggling people and kill them so brutally?” Assistant Public Defender Margaret Domin asked the jury in her closing argument.

“It makes no sense.”

“The reason this happened is trust,” said Assistant District Attorney Patrick Waller. “Because he was family, he could do that.”

“It’s never going to make perfect logical sense, but the bottom line is he wanted money,” Waller added.

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