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Simeonette Mapes-Crupi was a beloved high school history teacher in Brooklyn, known for her compassion, generosity, and fierce dedication to her students. Nicknamed “Mommy Mapes,” she went above and beyond to support the teens she taught, often dipping into her own pocket to cover their graduation costs or prom dresses. She lived a life grounded in kindness, faith, and hope — one she shared with her husband, a fellow teacher, as they planned for their future and celebrated annual trips to Disney. But in the summer of 2012, just days before their fifth wedding anniversary, that hopeful future came to a sudden, violent end.
On the afternoon of July 5, 2012, Simeonette was found brutally murdered in her Staten Island home. The scene suggested a robbery, but detectives quickly noticed inconsistencies that hinted at something more personal — more deliberate. As the investigation unfolded, secrets began to surface: about the marriage, about hidden relationships, and about the final hours of Simeonette’s life. The deeper authorities dug, the more tangled the truth became — and the more haunting the question lingered: Who would want to kill Simeonette Mapes, and why?
Sources:
Dateline: Secrets of the Sliding Door S33 EP 27
A Date With Dateline: Secrets of the Sliding Door
https://www.oxygen.com/new-york-homicide/crime-news/jonathan-crupi-kills-teacher-wife-simeonette-mapes-crupi
https://www.nbcnewyork.com/news/local/killer-dating-profile-outrages-victim-family-new-york-city-staten-island/2028855/
https://moviedelic.com/simeonette-mapes-crupi/
https://www.nbc.com/new-york-homicide/video/wheres-the-food-jonathan-crupis-suspicious-behavior-after-the-death-of-his-wife/OXYN581829809
https://moviedelic.com/jonathan-crupi/
*This podcast is independently produced using publicly available information and personal research. I approach each story with care and respect, though I recognize that I may not always have access to every voice or perspective involved. If you’re connected to the story and would like to share your experience, I truly welcome the opportunity to include your insights in a future update.
Email Residue: [email protected]
Find RESIDUE online:
Instagram: @residuepodcast
Tik Tok: @residuepodcast 
Facebook: Residue:A True Crime Podcast 
Credits: RESIDUE is Hosted/Produced/Researched/Edited by Chrissy Champagne 
THEME SONG: "Dance Of Death" by Purple Planet Music collection written and performed by Chris Martyn and Geoff Harvey. 
Additional music provided by Epidemic Sound. 
Residue logo designed by Tricia Cappelli
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
By Chrissy Champagne | BLACKCAT4.9
7676 ratings
Send us a text
Simeonette Mapes-Crupi was a beloved high school history teacher in Brooklyn, known for her compassion, generosity, and fierce dedication to her students. Nicknamed “Mommy Mapes,” she went above and beyond to support the teens she taught, often dipping into her own pocket to cover their graduation costs or prom dresses. She lived a life grounded in kindness, faith, and hope — one she shared with her husband, a fellow teacher, as they planned for their future and celebrated annual trips to Disney. But in the summer of 2012, just days before their fifth wedding anniversary, that hopeful future came to a sudden, violent end.
On the afternoon of July 5, 2012, Simeonette was found brutally murdered in her Staten Island home. The scene suggested a robbery, but detectives quickly noticed inconsistencies that hinted at something more personal — more deliberate. As the investigation unfolded, secrets began to surface: about the marriage, about hidden relationships, and about the final hours of Simeonette’s life. The deeper authorities dug, the more tangled the truth became — and the more haunting the question lingered: Who would want to kill Simeonette Mapes, and why?
Sources:
Dateline: Secrets of the Sliding Door S33 EP 27
A Date With Dateline: Secrets of the Sliding Door
https://www.oxygen.com/new-york-homicide/crime-news/jonathan-crupi-kills-teacher-wife-simeonette-mapes-crupi
https://www.nbcnewyork.com/news/local/killer-dating-profile-outrages-victim-family-new-york-city-staten-island/2028855/
https://moviedelic.com/simeonette-mapes-crupi/
https://www.nbc.com/new-york-homicide/video/wheres-the-food-jonathan-crupis-suspicious-behavior-after-the-death-of-his-wife/OXYN581829809
https://moviedelic.com/jonathan-crupi/
*This podcast is independently produced using publicly available information and personal research. I approach each story with care and respect, though I recognize that I may not always have access to every voice or perspective involved. If you’re connected to the story and would like to share your experience, I truly welcome the opportunity to include your insights in a future update.
Email Residue: [email protected]
Find RESIDUE online:
Instagram: @residuepodcast
Tik Tok: @residuepodcast 
Facebook: Residue:A True Crime Podcast 
Credits: RESIDUE is Hosted/Produced/Researched/Edited by Chrissy Champagne 
THEME SONG: "Dance Of Death" by Purple Planet Music collection written and performed by Chris Martyn and Geoff Harvey. 
Additional music provided by Epidemic Sound. 
Residue logo designed by Tricia Cappelli
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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