Luz Wiers
Chandler Halderson’s ex-girlfriend, Cathryn Mellender, is believed to be living quietly in Wisconsin with her dog following his sentencing. She withdrew from public view after testifying in his 2022 trial and has since avoided media attention.
Chandler Halderson’s mugshot (L) and his ex-girlfriend Cathryn Mellender testifying in court (R). Photo: @XCaseFiles, @cathyrusson on X (Twitter) (modified by author)
Source: UGC TABLE OF CONTENTS Key takeaways Cathryn Mellender’s profile summary Where is Chandler Halderson’s ex-girlfriend, Cathryn Mellender? Is Cathryn Melender still with Chandler Halderson? What was Cathryn Mellender’s role in Chandler Halderson’s trial and conviction? Did Chandler go to jail? What is Cathyrn Mellender’s age? FAQs What weapon did Chandler Halderson use? What happened to Chandler Halderson’s girlfriend? What is Cathryn Mellender known for? Where is Cathryn Mellender today? Final word Key takeaways Cathryn Mellender dated Chandler Halderson from 2019 until shortly before his arrest in July 2021. Cathryn provided investigators with Snapchat location data that helped police find Krista Halderson’s remains. During the 2022 trial, Mellender testified about Chandler’s lies, including fake stories about college, work, and a SpaceX job. Cathryn Mellender is allegedly living quietly in Wisconsin with her dog. Cathryn Mellender’s profile summary Full name Cathryn “Cat” Mellender Best known as Chandler Halderson’s ex-girlfriend Gender Female Place of birth Madison, Wisconsin, USA Born 2000 Age 25 years old (as of 2025) Nationality American Ethnicity Mixed Hair colour Black Eye colour Brown Mother Dulce Mellender Sexuality Straight School La Follette High School Cathryn Mellender’s current whereabouts remain unconfirmed. Reports online speculate that she lives in Wisconsin with a pet dog, but no verified sources have confirmed this claim. A Reddit thread suggests she may be married, citing a Facebook profile under the name Cathryn Mellender Lopez that features a photo of a dog.
However, contributors noted that “Lopez” could reflect her maternal last name, consistent with Hispanic naming conventions, rather than a married name.
Is Cathryn Melender still with Chandler Halderson? Chandler Halderson in court during his trial (L). His ex-girlfriend, Cathryn Mellender, testifying against him (R). Photo: @ODFMpodcast on X (Twitter) (modified by author)
Source: UGC Cathryn Mellender is no longer with Chandler Halderson. Their relationship ended before his arrest and trial for the murders of his parents in 2021. Although she initially believed his story and planned to move to Florida with him, she later cooperated fully with investigators and testified against him in court.
Chandler Halderson and Cathryn Mellender dated for approximately two years before his arrest in July 2021. Their relationship began around 2019 and ended shortly before or during the investigation into the murders of Bart and Krista Halderson.
What was Cathryn Mellender’s role in Chandler Halderson’s trial and conviction? Cathryn Mellender played a critical role in Chandler Halderson’s trial and conviction. His then-girlfriend provided investigators with key digital evidence, including a Snapchat location screenshot that led police to the site where they found Krista Halderson’s remains.
She also testified that Chandler had asked her to bring cleaning supplies, hydrogen peroxide, ice, and a mop, which authorities believed were used to cover up the crime. Her cooperation included granting access to her phone and recounting suspicious behaviour, such as Chandler’s false claims about college, employment, and a SpaceX job offer.
Cathryn was present during several key dates, including July 4 to 5th, 2021, when Chandler visited her family’s real estate property, where investigators later discovered Bart Halderson’s remains.
Did Chandler go to jail? Chandler Halderson is serving a life sentence in prison without the possibility of parole. A Wisconsin jury convicted him in January 2022 on eight counts, including two counts of first-degree intentional killing, for murdering his parents, Bart and Krista Halderson.
Judge John Hyland sentenced him on March 17, 2022, stating that Chandler would only return to the community “to have the privilege of the burial he denied his parents.” Although the court later vacated two lesser convictions due to legal technicalities, it upheld Chandler Halderson’s life sentence.
What is Cathyrn Mellender’s age? Cathryn Mellender was 21 years old in July 2021, at the time of Chandler Halderson’s arrest and the investigation. Based on that timeline, she would be approximately 25 years old as of 2025.
FAQs Public interest in Chandler Halderson’s case continues to grow, prompting curiosity about his former girlfriend, Cathryn Mellender. These key facts shed light on her role and current status.
What weapon did Chandler Halderson use? Chandler Halderson used an SKS rifle to murder his parents, Bart and Krista Halderson. A former friend, Andrew Smith, testified during the trial that he gifted Chandler the weapon along with 480 rounds of ammunition in June 2021, weeks before the killings.
Prosecutors presented this weapon as the murder tool, linking it to the bullet wounds found in Bart Halderson’s remains.
What happened to Chandler Halderson’s girlfriend? Cathryn Mellender was Chandler Halderson’s girlfriend at the time of his parents’ murders in 2021. She was not involved in the crimes but played a crucial role in the investigation. Her Snapchat screenshot helped police locate Krista Halderson’s remains, and her testimony was pivotal in securing Chandler’s conviction.
What is Cathryn Mellender known for? Cathryn Mellender is known for her role as a key witness in the murder trial of her former boyfriend, Chandler Halderson. She provided key digital evidence, including location data from Snapchat, and testified about Chandler’s suspicious behaviour in the days leading up to his arrest. Her actions helped expose Chandler’s lies and led to his prosecution.
Where is Cathryn Mellender today? Cathryn Mellender reportedly resides in Wisconsin, USA, with a pet dog. She previously studied at La Follette High School and planned to attend Madison College. As of 2025, Cathryn has not made any public statements.
Final word Chandler Halderson’s ex-girlfriend, Cathryn Mellender, withdrew from public life following his conviction for murdering his parents. She cooperated fully with investigators and provided key digital evidence that helped locate Krista Halderson’s remains. Cleared of any involvement, Mellender has since avoided media attention.
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