Three months after the eastern boundary confession, Wren had learned the gate the way she'd learned every perimeter she'd ever worked — by watching it until it told her things it didn't know it was telling.
The gate told her a lot.
It told her, for instance, that Cole did a final perimeter check every night at eleven, always the same route, but varied the exact timing by between four and seventeen minutes in a pattern that she'd spent two weeks trying to crack before concluding it wasn't a pattern at all — just Cole's natural variance, which was small but not zero, because even Cole's rhythms were human.
It told her that the compound's wolves almost never left through the main gate — they had a secondary access on the northern perimeter, more convenient for the training ring, and the ma
