Wayne Guidry Jr. was the last person seen with Stephanie before her disappearance. He had a romantic relationship with her, and inconsistencies in his statements raised suspicions. Additionally, Stephanie's body was found in a hole in the woods that Guidry had previously shown interest in, and he cashed a $3,000 check from her the day she went missing.
Wayne Guidry Sr. provided a hand-drawn map to investigators, marking the location of a hole in the woods where Stephanie's body was eventually found. His honesty and cooperation were crucial in narrowing down the search area in the vast Jackson Bienville Wildlife Preserve.
Forensic examination of Stephanie's computer revealed that someone was using it for 11 hours during the time Guidry claimed to be driving around after being kicked out of her apartment. The activity included ordering golf supplies and viewing pornography, which contradicted his alibi.
The prosecution argued that Wayne Guidry Jr. was motivated by jealousy and a desire to take over Stephanie's life. He wanted what her husband, David Sims, had—her love and financial support. Guidry had no job and relied on Stephanie financially, which added to the motive.
The jury deliberated for just two hours and found Wayne Guidry Jr. guilty of Stephanie's murder. Key evidence included the discovery of Stephanie's body in a hole Guidry had shown interest in, his inconsistent statements, and forensic computer records that contradicted his alibi.
The $3,000 check Stephanie gave to Guidry the day before her disappearance was cashed on the day she went missing. This raised suspicions because it was unusual for Stephanie to give such a large sum of money, and it suggested Guidry had financial motives.
On January 5, 2003, Stephanie Pepper seemed to disappear without a trace. She was estranged from her husband but he was ruled out as a suspect. Investigators learned about her love affair with Wayne Guidry Jr., which had begun just five weeks earlier. With the help of Erik Dufrene, a childhood friend of Wayne Guidry and Guidry’s father, Stephanie’s body was found in a densely-wooded preserve. “48 Hours" correspondent Peter Van Sant reports. This classic "48 Hours" episode last aired on 12/2/2006. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.
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