ANGRA DOS REIS, Brazil — Gilson Rambelli motored out into the dark waters, thinking of the crime that had haunted him for years. The evidence of it was down there, in the bay’s depths. That was where the researcher believed he’d find the Camargo, the long-lost slave ship of Nathaniel Gordon, the only person ever executed in the United States for the crime of trafficking enslaved Africans.

https://www.washingtonpost.com/history/2024/03/31/camargo-us-slave-ship-brazil/