
This episode discusses the Zodiac Killer's letters sent to newspapers in 1969, the Zodiac 408 Cipher, and the Lake Berryessa attack.
The episode begins with the Zodiac Killer's letters sent to the Vallejo Times Herald, San Francisco Chronicle, and San Francisco Examiner on August 1, 1969. Each letter included a portion of the Zodiac 408 Cipher, which the killer claimed would reveal his identity. The letters demanded publication on the front page, highlighting the killer's desire for attention.
Key discussions include the analysis of the letters, the details of the murders mentioned, and the police's response. Vallejo police chief Jack Stiltz expressed skepticism about the authenticity of the letters, asking for more proof from the killer.
The episode then transitions to the Lake Berryessa attack on September 27, 1969, where the Zodiac Killer attacked Brian Hartnell and Cecilia Shepard in broad daylight. The killer wore a distinctive hooded disguise and used a knife during the attack, which marked a shift in his modus operandi.
Finally, the episode covers the aftermath of the attack, including the killer's phone call to the Napa County Police Department, where he claimed responsibility for the double murder. The episode concludes with discussions on the killer's psychological profile and the implications of his actions.
The episode covers the Zodiac Killer's letters, the 408 Cipher, and the Lake Berryessa attack details.

This episode stands out for the following:
Snooze now and pay later!The Zodiac /// Part 2 /// 471
This is the Zodiac speaking.The Zodiac /// Part 2 /// 471
I like killing people because it is so much fun.The Zodiac /// Part 2 /// 471
This is a guy that is actively collecting, using, practicing with different guns.The Zodiac /// Part 2 /// 471
He’s not just hunting at nighttime; he does this whenever he feels like it.The Zodiac /// Part 2 /// 471
He wants some kind of credit for these murders.The Zodiac /// Part 2 /// 471