In 1978, a Kansas TV station placed a subliminal message in a TV program in order to catch a serial killer.
Gary Klivans, a specialist in breaking gang encryptions, has been featured many times on this blog. Now, he has given an interesting interview to scientific magazine Nautilus.
Here are ten criminals who used encryption – including the notorious Unabomber.
The FBI has recently declassified crypto-related files from the 1940s. These files contain a number of amusing stories.
Gary Klivans, expert on gang and prison codes, has provided me information on an interesting case. It is about an encrypted letter sent by a prison inmate.
Little was known about the ciphers of the Unabomber, a highly intelligent serial killer, until the FBI published a detailed description last year. Here’s a summary.