Adam Cox, a witness for the prosecution, testified that he had "no doubt" his two siblings conspired to kill Charles Vallow.

There was an edgy exchange during a cross-examination at Lori Vallow Daybell's murder conspiracy trial. Daybell is acting as ...

In the first week of the Arizona vs. Lori Vallow Daybell trial, prosecutor Treena Kay called 12 witnesses to the stand and ...

Adam Cox flew to Arizona to stage an intervention after Lori Vallow Daybell claimed "a zombie" lived inside her estranged ...

Lori Vallow Daybell ’s brother told jurors Thursday at her Arizona trial that he believes she was behind the killing of her ...

Adam Cox, Lori Vallow Daybell's brother, said Charles Vallow’s 2019 shooting death outside Phoenix occurred just before the ...

Lori Vallow Daybell’s brother Adam Cox testified during a trial over accusations she conspired to kill her ex-husband that he ...

Lori Vallow Daybell, self-represented, is on trial in Phoenix for the conspiracy to murder her fourth husband.

Lori Daybell's surviving brother, Adam Cox, said when he found out Charles Vallow was killed there was no doubt in his mind ...

Vallow Daybell already was convicted of killing her two youngest children and conspiring to murder a romantic rival.