: It also deepens the mystery surrounding Toby’s mother, Marion Cavanaugh, suggesting that the "accidents" at Radley were planned or covered up long in advance.
: Spencer realizes the blueprint is dated months before the construction of that wing actually began. Pretty_little_liars_3x06
In the Pretty Little Liars episode "The Remains of the 'A'" (Season 3, Episode 06), the "interesting paper" most likely refers to the found by Hanna and Spencer . : It also deepens the mystery surrounding Toby’s