In 1858, a young enslaved girl stood for a portrait in New Orleans. She was photographed beside her enslaver, a wealthy sugar plantation owner named Nathaniel Duchamp. The image, a daguerreotype, was remarkably preserved when it arrived at the Smithsonian Conservation Lab 166 years later.
Dr. Sarah Chen was tasked with restoring the photograph. As she examined the fabric of the girl’s coarse cotton dress under high magnification, she noticed something unusual. The marks on the left sleeve were not stains or damage. They were deliberate letters and numbers.
The stitching was microscopically small, made with thread so fine it was nearly invisible. The numbers were coordinates, latitude and longitude, painstakingly embroidered into the sleeve of a child who had no recorded name in any archive. The girl had left a hidden message for the future.
The coordinates pointed to a location roughly 30 miles northwest of New Orleans. Today, it is part of a protected wildlife preserve near Lake Pontchartrain. Dr. Chen and her team began to investigate the plantation owner, Nathaniel Duchamp, and the history of Bel Rive Plantation.
A diary kept by Duchamp revealed his growing fear of the girl. In August 1858, he wrote that she had seen something she should not have. He mentioned documents and a matter he believed was buried. The diary also confirmed the date of the portrait was deliberate.
Further research uncovered a significant unsolved crime from that period. A federal marshal named Thomas Bowmont had disappeared in July 1858 while investigating illegal slave trading operations. He had been building a case against several prominent planters, including Nathaniel Duchamp.
The evidence pointed to a murder. Duchamp had killed the marshal and buried the evidence in the swamp. The girl had witnessed the crime and understood what she had seen. She used her exceptional skill in needlework to leave a message for anyone who might look closely enough.
An expedition was organized to the coordinates. The team used ground-penetrating radar on a small island in the swamp. They found a buried iron box containing the marshal’s evidence, including bills of sale for smuggled captives and correspondence linking Duchamp to the illegal trade.
The documents confirmed the marshal’s investigation and Duchamp’s crimes. The girl had been holding Duchamp’s own notebook in the photograph, the evidence of his illegal operations. She had found a way to expose the truth even while standing beside her enslaver.
Researchers became obsessed with identifying the girl. They found a record of her purchase: a girl child, age approximately 11, skilled in needlework and housework. Her name was Delphine. She had been trained in fine needlework by a family connected to the smuggling operation.
After Duchamp’s death, Delphine was sold at auction. She was purchased by a school teacher named Jonathan Morrison, a documented abolitionist. He freed her, and in a letter, he described her extraordinary courage and the detailed story she told him of the murder and hidden evidence.
Delphine was sent to Philadelphia, where she was taken in by a family active in the abolitionist movement. She received an education and became a school teacher herself. She married Jacob Reynolds, a teacher at the Institute for Colored Youth, and they had four children.
Delphine lived until 1921, dedicating her life to education. Her descendants were traced through genealogical work, and three generations gathered to see the photograph and the recovered evidence displayed at a museum exhibition. The girl who had risked everything to expose a murderer was finally identified and honored.