What Was the First Event That Made Thigpen and Cleckley

Multiple Choice

What was the first event that made Thigpen and Cleckley think that Eve White was not as straightforward as they had at first believed?

A) She had a blackout
B) The arrival of a letter containing two kinds of handwriting
C) She developed a strange relationship with her daughter
D) Eve White was experiencing headaches
E) She had an estranged relationship with her husband