“His innovation was to teach a computer to spot trends in unsolved murders, using publicly available information that no one, including anyone in law enforcement, had used before. This makes him, in a manner of speaking, the Billy Beane of murder.” There are a lot of murders in America. And, over the past few decades, a lot more of those murders have gone unsolved. You’d like to think there’s some trove of data being crunched by law enforcement agencies across the country to find any clue that can and will be used against the perpetrators of what could be multiple homicides. Thomas Hargrove found out there wasn’t. So he starting building one. From Bloomberg: Serial Killers Should Fear This Algorithm. Facts, science, data. Three things that should only be feared if you’re a murderer.