Couple Opens Door for Two Teens Who Plan to Kill Them
On January 27, 2001, Half and Susanna Zantop, two Dartmouth professors, opened their front door to two strangers. Within minutes, both were dead, killed by the young men they had welcomed into their home. What made this generous, trusting couple targets?
In this episode, we analyze the tragic events of that day, from the Zantops' final, ordinary morning to the calculated plan of their killers, Robert Tulloch and James Parker. How did two teenagers manage to gain entry into the home of two respected academics, and what chilling details emerged from the investigation?
Case: Zantop Murders
Victims: Half Zantop (62), Susanna Zantop (55)
Date: January 27, 2001
Location: Hanover, New Hampshire
Perpetrators: Robert Tulloch, James Parker
- Half Zantop was born in 1938 in Germany and earned a doctorate in geology from Stanford University.
- Susanna Zantop was born in 1945 in Germany and earned two master's degrees and a doctorate.
- The couple had been married since 1970 and lived on Trescott Road.
- Tulloch and Parker attempted to gain entry to at least two other homes before reaching the Zantops'.
- Robert Tulloch described the murder of Susanna Zantop in a recorded statement: "I restrained her. And then... I cut her throat."
To listen ad-free and access premium episodes, start your 30-day free trial at obomedia.com
OBOMEDIA presents true crime storiesa true crime podcast built on real cases.
Every true crime story in our crime files follows the crime investigation from the missing person report to the trial: investigators and police building a murder case, a police investigation gone cold, justice for the victim and those who survived.
We open the unsolved murder, the cold case reopened decades later, the mysterious death, the disappearance, the serial killer, the family murder, the murder mystery; the missing persons a missing woman, a missing girl, a missing man found dead and the missing and murdered.
From the infamous case to the unsolved case, from classic true crime to dark true crime and disturbing true crime: true crime reports, real crime stories, real murder cases, true murder stories and unsolved mysteries one true crime case at a time, from the OBOMEDIA true crime vault.
© 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text and related materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music and Pocket Casts. Reproduction, distribution, editing or commercial use, in whole or in part, without prior written permission is prohibited. For permissions, licensing and business inquirie