In 2017, Shannon Elizabeth Graves disappeared after a troubled relationship with Arturo Novoa, who had a criminal past. Her dismembered remains were found in a freezer stored by Novoa at a friend's house. Novoa and accomplices, including his new girlfriend Katrina Layton, were arrested and charged with aggravated murder and corpse abuse. The investigation revealed jealousy, infidelity suspicions, and a coordinated cover-up involving multiple people. Novoa was sentenced to 48 years to life, and others received prison terms for their roles.
Country: United States
State/Province: Ohio, United States
City/Region: Johnson
Incident Type: Domestic Violence Homicide
Relationship Status: Dating
Relationship Duration: Approximately 1 year
Incident Date: Feb. 24, 2017
Relationship Origins:
Relationship Stages:
Contributing Factors:
Red Flags:
Motives:
Relationship Outcomes:
How the relationship or connection began.
Approximately 1 year
Important relationship phases recorded for this case.
Reported red flags or early concern points.
Contributing factors and possible motives from the available sources.
2017-02-24
Recorded relationship or case outcome.
English labels are shown first. Original-language titles are preserved for source verification.
Criminalista Nocturno - Colombia · Original language: English
Fue hallada en un congelador sellado con un candado gigante | Criminalista Nocturno
Jealousy
The case centers on a romantic relationship marked by jealousy, suspicion of infidelity, and escalating domestic conflict. The victim's partner, with a criminal background, allegedly murdered her and involved accomplices in a cover-up. The pattern includes manipulation, deception, and violence culminating in homicide and post-murder concealment.
Police investigation identified Arturo Novoa as the primary suspect after remains were found in a freezer he stored with friends. Multiple accomplices were arrested and charged. Forensic evidence included matching tattoos and fingerprints, acid residues, and tools. Witness testimonies and phone/credit card records helped reconstruct the timeline. The trial resulted in convictions and lengthy sentences. The victim's family actively participated in the investigation and memorialization.
Initial uncertainty about the victim's whereabouts and timeline of disappearance complicated establishing alibis. Conflicting statements from suspects and lack of head in remains delayed cause of death determination. Multiple suspects and accomplices created complexity in assigning roles and responsibilities.
Shannon and Arturo began dating in April 2016 and moved in together. Relationship deteriorated with suspicions of infidelity. On February 24, 2017, Arturo allegedly killed Shannon at her home. He then enlisted help from accomplices to dismember and dispose of the body using acid and freezing. The remains were moved to a friend's basement freezer under false pretenses. Subsequent investigations uncovered deception, identity theft by accomplices, and coordinated cover-up efforts. Arrests and trials followed, leading to convictions.
High risk due to prior violence, criminal history, escalating conflict, and involvement of multiple accomplices. The victim showed signs of distress and consideration of ending the relationship, which were not adequately addressed.
Early signs of relationship instability and violence were present but unaddressed. Jealousy and control motives can escalate to lethal outcomes. Coordinated cover-ups involving multiple individuals complicate investigations. Forensic and digital evidence are critical in solving such cases. Family involvement and persistence aid in justice.
The victim's expressed doubts about continuing the relationship and reports of partner's strange behavior were key early signals.
Discovery of remains in a padlocked freezer, forensic tattoo and fingerprint matches, phone and credit card inactivity, and witness testimonies helped connect the case.
Forensic evidence including fingerprints, tattoo identification, acid residue, bloodstains, and matching tools were strongest.
Witnesses included family members, friends, and acquaintances who reported the victim's disappearance, partner's behavior, and bonfire burning of belongings. Jaie provided testimony about the murder and dismemberment. Neighbors confirmed identity theft by accomplices. Police and first responders documented physical evidence.
Follow-up reports revealed accomplices' involvement, identity theft, and coordinated cover-up, expanding the scope beyond the primary suspect.
Exact cause of death remains unclear due to missing head. The precise role of some accomplices during the murder is uncertain.