When an adventurous Canadian woman visits New Hampshire's White Mountains for a solo hiking retreat, she's ambushed by a killer. Investigators seek the public's help to solve an apparently random homicide in this episode of Last Seen Alive.

If you know anything about the death of Louise Chaput, please contact the New Hampshire Department of Justice's Cold Case Unit at 603-223-3856, e-mail them at coldcaseunit@dos.nh.gov, or fill out their online tip form for Louise's case, https://business.nh.gov/ColdCaseTips/Tip.aspx?Victim=Louise%20Chaput

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2025/12/14/unsolved-homicide-louise-chaput/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

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When an Arkansas honor student and class valedictorian disappears just weeks shy of high school graduation, an explanation eludes investigators. Years later, hidden evidence is uncovered inside the walls at her after-school job, giving the case new life in this episode of Last Seen Alive.

If you know anything about the disappearance of Cleashindra Hall, please call the Pine Bluff Police Department at 870-541-5300. You can remain anonymous if you'd like.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2021/01/07/unsolved-disappearance-cleashindra-hall/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

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When two remarkably similar Northern Virginia women are murdered just months apart in nearly identical crimes, their neighbors fear that a serial offender is at large. DNA evidence proves them right and investigators strive to identify a serial killer who preys on the elderly in this episode of Last Seen Alive

If you have any information on the murders of Marion Marshall or Marion Newman, please contact the Fairfax County Police Major Crimes Bureau at 703-246-7800, and select option 8. Or, if you prefer to remain anonymous, contact the Fairfax County Crime Solvers—info on how to submit a tip is available on their website, fairfaxcrimesolvers.org.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2025/11/30/unsolved-homicides-marion-marshall-and-marion-newman/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

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When an Ohio medical student disappears into thin air during a night out, a massive investigation fails to uncover any trace of him. One of the Midwest's most baffling mysteries is explored in this episode of Last Seen Alive.

If you know anything about the disappearance of Brian Shaffer, please contact the Columbus Police at (614) 645-4545 or the Central Ohio Crime Stoppers at 614-461-8477. You can also submit an anonymous tip to Central Ohio Crime Stoppers online at their website: stopcrime.org.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2021/01/01/unsolved-disappearance-brian-shaffer/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

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When a 13-year-old girl runs away from a Baltimore area group home, she remains missing for months before her remains are found in a wooded area. Investigators strive to identify the predator who took a vulnerable child's life in this episode of Last Seen Alive.

If you know anything about the death of Sarah Forrester—or the death of Darlene Giles—please call the Baltimore County Police Department at 410-887-3943. You can also text the Baltimore County Police Department's Homicide and Missing Persons Unit at 443-862-9426, or email them homicide@baltimorecountymd.gov. And if you wish to remain anonymous, you can report your tip to Metro County Crime Stoppers. Check out their website—metrocrimestoppers.com—for information on how to submit a tip.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2025/11/16/unsolved-homicide-sarah-forrester/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

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When a group of paratroopers hits a North Carolina beach for a laid-back holiday weekend, one of their own goes missing. Tragic evidence washes ashore and ignites one of 2020's most devastating missing / murdered American soldier investigations in this episode of Last Seen Alive.

If you have any information about the murder of Enrique Roman-Martinez, please contact the Army Criminal Investigation Command at 910-396-8777.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2020/12/10/unsolved-homicide-enrique-roman-martinez/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

https://last-seen-alive.printify.me/products

When a Colorado man brings his young daughter to work for a day, they both vanish under highly-suspicious circumstances, along with another employee. Investigators search for answers in a presumed case of triple-homicide in this episode of Last Seen Alive.

If you know anything about the disappearances of Paul Skiba, Sarah Skiba and Lorenzo Chivers, please contact the Westminster PD at 303-658-4360.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2025/11/02/unsolved-triple-disappearance-paul-skiba-sarah-skiba-and-lorenzo-chivers/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

https://last-seen-alive.printify.me/products

When a Marine Corps veteran has an unwelcome spotlight cast upon his life by Hollywood, murder follows. An execution-style killing in the Massachusetts woods cuts a young life short and baffles investigators in this episode of Last Seen Alive.

If you know anything about the murder of David Cox, please contact the Massachusetts State Police assigned to the Norfolk County District Attorney's office at 617-593-8840.

See photos from this episode and check out the sources we used to research it here:

https://lastseenalivepodcast.com/2020/11/12/unsolved-homicide-david-cox/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

https://last-seen-alive.printify.me/products