she 'd charted the case from my notes regarding my first meeting with karen nichols , through scott pearse 's charade as wesley dawe , the maiming of miles lovell , the disappearance of diane bourne , the baby switch fourteen years ago that had given the dawes a child who would fall through ice and ultimately bring pearse into their lives , all the way up to the beginnings of our current frontal assault on scott pearse 's life , shaded , of course , in vague terminology such as `` commenced exploitation of subject 's weaknesses as we perceived them . ''