Vallow Daybell was sentenced Monday to life in prison without parole for killing two of her children in what prosecutors argued was a doomsday plot.

Lori Vallow Daybell was found guilty of two counts of first-degree murder for the 2019 deaths of her children, Joshua "J.J." Vallow, 7, and Tylee Ryan, 16.

J.J.'s grandmother asked why Lori Vallow Daybell chose to adopt J.J., only to kill him a few years later.

Samantha Gwilliam was one of many who give victim impact statements on the day of Vallow Daybell's sentencing.

Judge Steven Boyce said he doesn't think she's shown any remorse for the crimes or for those who searched for her children while they were missing.

In a statement prior to sentencing, Daybell said she had done nothing wrong and she will one day be in "the arms of my Jesus" with her children and Tammy Daybell.

Tammy Daybell's aunt gave her statement through sobs as she spoke of her niece.

"Jesus knows me and Jesus understands me," Vallow Daybell said. "I mourn with all of you who mourn my children and Tammy."

Lori Vallow Daybell was convicted of killing two of her children.

Lori Vallow Daybell faces the possibility of a life behind bars without parole after a jury unanimously found her guilty of first-degree murder for the deaths of Tylee, 16, and JJ, 7.

One of the jurors who convicted Lori Vallow Daybell of murdering two of her children speaks out exclusively to ABC News about the trial.

A member of the Idaho jury that convicted Lori Vallow Daybell in the murders of her two youngest children and a romantic rival is speaking out for the first time.

It was a unanimous guilty verdict for Lori Vallow Daybell. The jury found the Idaho mom guilty of murdering her two children and conspiring to murder her husband's first wife.

ABC News’ Ike Ejiochi and Law & Crime Network host Brian Buckmire discuss the guilty verdict for Lori Vallow Daybell in Idaho.

Lori Vallow Daybell and her husband, Chad Daybell, were both charged with two counts of first-degree murder for the 2019 deaths of her children.

A jury has found Lori Vallow Daybell guilty of killing two of her children in what prosecutors argued was a doomsday plot.

The Idaho “doomsday” mom is accused of killing her two youngest children.

The fate of the Idaho mom accused of killing her two children is now in the hands of a jury.

Lori Vallow Daybell and her husband, Chad Daybell, were charged with two counts of first-degree murder and grand theft by deception for the 2019 deaths of her children.

Thousands of text messages between Vallow Daybell and her husband Chad were read aloud in court by the FBI.

Prosecutors said these messages reveal what the so-called “doomsday mom” was discussing with her husband days before her two children were killed.

ABC News’ Eva Pilgrim reports on the dramatic developments in the trial of Lori Vallow Daybell, who is accused of killing two of her children in a doomsday plot.

Text and email messages offer new details in the trial of Lori Vallow who is charged with killing two of her children and conspiring to kill her husband's ex-wife and her ex-husband.

The lead detective described how Daybell's two children were found buried in shallow graves in her husband's backyard in June 2020.

The Idaho mom accused in the brutal killings of her two children was denied a request to be excused for the day amid graphic testimony about how the children's remains were found.

Lori Vallow Daybell and her husband, Chad Daybell, were charged with two counts of first-degree murder for the 2019 deaths of her children.

Prosecutors in the Lori Vallow Daybell murder trial are laying out why they think she did it and revealing the details of another mysterious death that could be related.

Daybell and her husband, Chad Daybell, were charged with two counts of first-degree murder for the 2019 deaths of her children, Joshua "J.J." Vallow, 7, and Tylee Ryan, 17.

Lori Vallow Daybell is going on trial almost three years after her arrest on charges of killing two of her children and her husband is being tried separately.

Lori Vallow Daybell has been found incompetent to stand trial in separate court proceedings related to the deaths of her two missing children.

Authorities discovered the children's remains on property that belonged to Vallow's husband two years ago.

Lori Vallow pleaded not guilty to charges related to the murder her two children in 2019.

The 48-year-old mother, who is awaiting trial for the death of her two children, has been charged with conspiracy to commit first degree murder in the death of her former husband, Charles Vallow.

Lori Vallow, the mother accused of killing her two children, has been committed to a mental health facility, putting her murder trial on hold.

Vallow’s legal team is raising concerns about her mental competency after she was charged with killing her two children.

A judge ruled Lori Daybell is incompetent to move forward with further court proceedings for charges related to the deaths of her two children, based on results from a psychological assessment.

Lori Daybell’s children, JJ Vallow, 7, and Tylee Ryan, 17, vanished two years ago. Lori and Chad Daybell were both indicted for the first-degree murders of the children.

Chad Daybell and Lori Vallow Daybell appeared in court Wednesday afternoon, a day after they were indicted for the murder of her two children.

The Iowa mom and her current husband are facing murder charges for the deaths of her two kids and Daybell’s former wife.

Lori and Chad Daybell have been indicted on multiple murder charges, prosecutors announced Tuesday.

The investigation revealed a much darker tale beyond the missing kids.

April Raymond said her friend Lori Vallow started talking about a new group she was a part of, led by post-apocalyptic author Chad Daybell.

Vallow’s friends and family expressed worry over her strange new beliefs. "They were actively preparing for the end that was inevitably coming very soon," April Raymond said.

Vallow, charged with two counts of conspiracy to commit destruction, alteration or concealment of evidence, pleaded not guilty in the case of her two missing children found dead in June.

Preliminary hearings for Chad Daybell, charged after missing Idaho kids found dead on his property, resume

Lori Vallow wiped away tears as she appeared in court on the new charges related to the disappearance and deaths of her 17 and 7-year-old children.

The previously unidentified remans are now confirmed to be those of Joshua "JJ" Vallow and Tylee Ryan, police said.

After nine months of searching, JJ Vallow and Tylee Ryan’s remains were found buried on their stepfather’s property.

Chad Daybell has been charged with two felony counts of destruction, alteration or concealment of evidence.

Chad Daybell, the husband of Lori Vallow, has been charged with two felony counts of destruction, alteration or concealment of evidence.