From the Lady Evelyn letter sent to JDT, about the urgent need for a meeting, 1975
"Dearest Trumbo,
I urgently need the "medicine" as father health suddenly deteriorated. The Group is getting stronger and their members are infiltrated everywhere. Please be careful!
Yours sincerely (Lady Evelyn signature)
Congratulations on solving META puzzle from C set!
As first one to read this message, you have earned a free hint my friend! Just formulate your question and ask me on twitter, starting your question with: "I am a friend of Orenthal James Simpson" and I will give you a nudge in proper direction for any puzzle from any set you have selected!