Meanwhile high frequency signals: conductors? Where we are going we don’t need conductors!

He did

It’s not just AI, but there is a bunch of AI:

To attack the problem, Baber used artifical intelligence and generated a list of 71 million possible 13-letter names. Using known details of the Zodiac killer, based on witness descriptions, he cross-checked those names against military, marriage, census and other public records.

At the time, the Compton bungalow complex was called the Zodiac Motel, a fact Baber discovered by using AI to unearth a newspaper ad. He thinks it inspired the name the Bay Area killer called himself.