This is Hidden Killers with Tony Bruske. Here now, Tony Bruske.

At 306 a.m. on March 4th, 2022, Corey Richon's phone unlocked. 14 seconds later at 308,

the speaker activated. At 308 a.m., the 911 call began. She told the dispatcher that her husband

was cold to the touch.

She said she'd gone to sleep in her children's bedroom because one of the boys was having a

nightmare. When she came back to the master bedroom hours later, she found Eric unresponsive,

pale, yellow, open mouth. She said his body felt heavy. That was the first word she used. First responders arrived at the

home in Commerce, Utah, and declared Eric Richards dead at the scene. He was 39 years old. An autopsy would

later reveal five times a lethal dose of fentanyl in his blood, illicit, non-medical grade, orally ingested. The only people in the

house that night were Corey, Eric, and their three young boys all under the age of 11. Three children

sleeping in their bedroom separated from their dying father by a hallway in a closed door while

the woman who killed him lay beside one of them and waited

for the fentanyl to do its work.

The 911 call is the first moment the case existed in the public record and from the very

first second, Corey Richens was performing, not processing, not panicking the way a person panics when

they find someone they love unresponsive in bed. Performing because the woman who called

911 that morning already knew exactly what had happened in that bedroom. She knew because she'd done it.

This is part three of her five-part definitive series on Corey Richens.

In parts one and two, we covered the mask, the money, the affair, and the fentanyl.

Now we're inside the house of the night it happened.

The first 72 hours afterwards that cracked

the performance wide open. The phone data told the story in cold forensic detail. Corey's phone

...