What does it take to convict a serial killer? Evidence that leads to the perpetrator might include clues from bodies, eyewitness accounts, or fingerprints on weapons. Yet the complexity of these cases often requires investigators to look deeper—to genetic material naked to the human eye.
DNA evidence can bring resolution to cold cases. Until mid-July of this year, there were no active leads for the Long Island Serial Killer, thought to be responsible for the deaths of victims found at Gilgo Beach, New York, between


…


