In 1964, 1-day-old Paul Fronczak was kidnapped from the Chicago hospital where he was born. In 1965, the FBI believed they had found him abandoned in a shopping mall and returned him to his parents.

This Special Issue focuses on critical identification cases, as forensic experts increasingly face significant challenges in identifying human remains, both in routine and extraordinary circumstances.

Three questions are key for assisting in solving criminal cases by establishing evidential information from human biological traces collected at crime scenes. Who did it? What happened? When did it ...