She had been so determined over the past week that she would crack the case all on her own. Snape had offered to assist her in her research once, even offering a book to her he believed would be useful. She had all but rejected his offer twice and had continued in that manner, pouring over countless books and journals in search of the spell that would automatically include every person living in the areas the map covered, so when she said a name, anyone called by that name would show up on it as a dot with their name written above it.