S13/EP9 Jennifer Shanbrom's ex-husband, Joel, was murdered by three close-range bullets to the head. Authorities looked into his police work for possible motives and suspects. Joel also had a $300,000 life insurance policy that raised red flags.

S13/EP8 Kemia Hassel didn't show much emotion in interviews after the murder of her husband, Tyrone Hassel. A Michigan State Police captain says he could tell from her body language something was up. He also knew she had money to gain from the murder. Kemia was "one of the coldest" he's interviewed, he says.

S13/EP8 Tyrone Hassel's dad recalls taking care of his son when he was a baby, then how he was looking forward to hanging out with Tyrone as a man, with a "whole new type of bond." That chance was taken away with Tyrone's murder by Jeremy Cuellar.

S13/EP8 A prosecutor says the Hassel family felt an incredible betrayal by Tyrone Hassel's wife, Kemia, when she orchestrated his murder. Tyrone's mother says she was relieved when Kemia was sentenced, because the death penalty would have been "an easy way out for her."

S13/EP9 Joel Shanbrom's mother-in-law discovered his body and told 911 operators that she couldn't find her daughter Jennifer or her children. A responding officer recognized Joel as a schools police officer.

S13/EP7 Wayne County ADA Christina Callanan says that, beyond the couple they killed, Charlene Childers and Tim Dean's victims were also their children. Childers' ex-husband says he will raise his and Charlene's kids without her just fine.

S13/EP7 Amber Washburn's sister says that when Amber was murdered with her boyfriend Joshua Niles, the two were just starting to have a close relationship. That will haunt her for the rest of her life, she says.

S13/EP8 Just before midnight on New Year's Eve, 2018, Kemia Hassel called 911, frantic. Her husband, Tyrone, had just been shot in the driveway. Paramedics struggled to stabilize him after he sustained at least one gunshot to the head and the neck.

S13/EP8 Tyrone and Kemia Hassel were a devoted young military couple with a new son. Their domestic bliss was shattered, however, when Tyrone was gunned down.

S13/EP7 Joshua Niles' son Josh Jr. had autism, and his Niles' mom recalls what good parents he and girlfriend Amber Washburn were. Life will never be the same without him, she says.

S13/EP7 Charlene Childers and Tim Dean's marriage and blended family was broken up in Texas and led to a double murder in New York.

S13/EP7 Charlene Childers was Josh Niles' high school sweetheart in Sodus, New York, and they had two kids together. Their relationship would fall apart however, and she would marry Tim Dean in Texas later.

S13/EP6 Serena Booth, of the county sheriff's department, says what makes Charlie Wilkinson and Erin Caffey's crimes a "different level of evil" is how much time they had to plan them — and to change their minds.

S13/EP6 Caffey family friends Charlene and James Pence can't imagine Terry's shock and horror at not only realizing he didn't have his daughter Erin after all, but that she planned the murders.

S13/EP6 A 911 call in Emory Texas led police to a dad who had been shot five times and his family's house in flames. Terry Caffey told of a local teen entering his home and shooting his whole family to death. Only daughter Erin was missing.

S13/EP5 Melanie Ray's stepfather, Danny Norris, says that guards where she is serving a life sentence for murder talk about how happy and helpful she is. He warns parents that if their kids run with the wrong crowd, terrible things can happen to anyone.