Two years ago,Robert Brown a former detective set out to track down an uncle who'd been estranged for decades. But early in his search he made a disappointing discovery — his uncle Cesar Irizarry had died.

This story is the fourth in a series called The Unmarked Graveyard: Stories from Hart Island. You can find a longer version of the story, and other stories about Hart Island, on the Radio Diaries Podcast.