A breakthrough in genealogy testing has led to the identification of a World Trade Center victim. The test was used by New York City's medical examiner, resulting in the identification of the 1,651st victim. This development comes 25 years after the event.

Further details about the test and its application are available. The medical examiner's use of this breakthrough test has provided new information about a victim who had not been previously identified. More information can be found through the original source, which provides additional context about the identification and the testing method used.