When visitors discover a man shot dead at a campground along the Idaho-Oregon border, law enforcement swiftly zeros in on not one, but two suspects who are close to home.
Travis Calumpit (Photo Source) Anna Underhill
Travis Calumpit (Photo Source) Anna Underhill
Travis Calumpit (Photo Source) Anna Underhill
Travis Calumpit as a child (Photo Source) Anna Underhill
Travis Calumpit and his sister Anna Underhill as children (Photo Source) Anna Underhill
Travis Calumpit and his sister Anna Underhill as adults (Photo Source) Anna Underhill
Travis Calumpit and his sister Anna Underhill as adults (Photo Source) Anna Underhill
Melissa Calumpit (Photo Source) New York Post
Rosalie Morris (Photo Source) New York Post
Martin Landing Campground Image (Photo Source) Canyon County Idaho
Martin Landing Campground Map (Source) Google Maps
Episode Source Material
- Park Predators interview with Anna Underhill, victim’s sister. Conducted by Delia D’Ambra. December 5, 2025.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: Petition for Divorce With Minor Child Melissa Calumpit v. Travis Calumpit. Filed February 2, 2018. Obtained December 10, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: Judgment and decree for divorce with minor child. Melissa Calumpit v. Travis Calumpit. Filed July 31, 2018. Obtained December 10, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: Motion for Civil Contempt Charges Against Respondent Melissa Calumpit v. Travis Calumpit. Filed October 25, 2018. Obtained December 10, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: Notice Dismissing Civil Contempt Charge and Vacating Hearing. Melissa Calumpit v. Travis Calumpit. Filed January 16, 2019. Obtained December 10, 2025. Hard copy only. No direct link.
- Idaho News 2: Homicide investigation launched after man found dead at Canyon County campground. By staff.
- Idaho News 6: Ongoing homicide investigation at the Martin Landing campground near Parma. By staff.
- KTVB7: Homicide Update: Parma man died from gunshot at campground. By Tracy Bringhurst.
- Obituary: Travis Haywood Calumpit
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Arraignment. Filed July 15th, 2024. Accessed December 4, 2025. Hard copy only. No direct link.
- Idaho News 2: Idaho man identified as homicide victim found at Canyon County campground. By staff.
- Canyon County Idaho: Two women arrested in connection with July 12 homicide at Martin Landing campground. By staff.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Probable Cause Affidavit and Criminal Complaint. Filed July 19th, 2024. Accessed December 10, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Rosalie Morris. Probable Cause Affidavit and Criminal Complaint and Arraignment. Filed July 19th, 2024. Accessed December 10, 2025. Hard copy only. No direct link.
- Idaho Statesman: Two Nevada women arrested in Idaho campground homicide. By Carolyn Komatsoulis via newspapers.com.
- Idaho News 6: NEW DETAILS: Court documents reveal murder plot in Martin Landing campground homicide. By staff.
- New York Post: Estranged Nevada wife allegedly guns down husband with mom’s help, then tells him, ‘I’m sorry. I love you.’ By Katherine Donlevy.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Rosalie Morris. Preliminary Hearing Court Minutes. Filed August 2, 2024. Accessed December 10, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Order Binding Defendant Over to District Court. Filed October 9th, 2024. Accessed December 4, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Rosalie Morris. Order Binding Defendant Over to District Court. Filed October 9th, 2024. Accessed December 4, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Motion For Bond Reduction. Filed October 23, 2024. Accessed December 4, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Change of Plea. Filed May 29, 2024. Accessed December 4, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Change of Plea. Filed January 2, 2025. Accessed December 10, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Rosalie Morris. Guilty Plea Advisory. Filed February 24, 2025. Accessed December 10, 2025. Hard copy only. No direct link.
- People: Man Met Estranged Wife to Rekindle Romance. Instead, She Allegedly Shot Him, Then Said, ‘I’m Sorry, I Love You.’ By Christine Pelisek.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Rosalie Morris. Judgment and Conviction, Restitution, and Sentencing Court Minutes. Filed October 23, 2025. Accessed December 10, 2025. Hard copy only. No direct link.
- KTVB7: Rosalie Morris sentenced to 30 years for son-in-law’s murder at campground via ktvb.com.
- Idaho News 6: Mother-in-Law sentenced for aiding in the murder of her daughter’s husband. By staff.
- Canyon County Idaho: Canyon County Woman Sentenced for Aiding Murder of 37-Year-Old Travis Calumpit. By staff.
- Court TV: Woman sentenced for aiding in son-in-law’s campground murder. By staff.
- KTVB7: Woman who fatally shot her husband at an Idaho campground sentenced to 27 years imprisonment via ktvb.com.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Melissa Fay Calumpit Judgment of Conviction and Restitution Order. Filed November 20, 2025. Accessed December 4, 2025. Hard copy only. No direct link.
- District Court of the Third Judicial District of Idaho Canyon County Magistrate Division: State of Idaho vs. Order Appointing State Appellate Public Defender in Direct Appeal. Filed November 20, 2025. Accessed December 4, 2025. Hard copy only. No direct link.
- KTVB7: Canyon County woman sentenced to 27 years for murdering husband. By Dereka Kay.
- Idaho Statesman: ‘Most extreme crime’: Daughter, mother sentenced in Idaho campground murder. By Sally Krutzig.
- People: Idaho Campground Murder: A Wife Denied Killing Her Husband. Then Investigators Found His Dash Cam. By Chris Spargo.
- Idaho Department of Correction Rosalie Morris Inmate Profile
- Idaho Department of Correction Melissa Calumpit Inmate Profile
- Canyon County Magistrate Court: Melissa Calumpit vs. Travis Calumpit. February 1, 2018 Divorce Case Docket
- Canyon County District Court: State of Idaho vs. Rosalie Morris Criminal Case Docket
- Canyon County District Court: State of Idaho vs. Melissa Calumpit Criminal Case Docket
- Travis’ Facebook Page
- Melissa’s Facebook Page
- Rosalie’s Facebook Page