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 to identify the 1,651st victim. This development comes 25 years after the event.

Further details about the test and its application are available from the source. The identification of the victim is a significant development in the ongoing efforts to account for those who were affected. The use of this breakthrough test has provided new information about a World Trade Center victim, and more details can be found through additional reporting on the topic.