The Zodiac Killer s 340 cipher, which couldn t be solved for 50 years, has been cracked by a remote team of mathematicians. The still-unnamed serial killer is believed to have murdered at least five people and likely more in and around the Northern California area in the late 1960s and early 1970s. He sent a series of four coded messages to local newspaper outlets, bragging about his crimes and containing cryptic icons, which earned him the moniker Zodiac
Source: https://threatpost.com/cryptologists-zodiac-killer-340-cipher/162353/