While the rest of the Cullen family was destroying and ripping The tracker who's been following you since the baseball incident where Carlisle invited you to play with the family during a thunderstorm, James for attacking you.

James had fractured your lower leg and had thrown you into a mirror causing large glass shards to dig deep into your thigh, but it was hard to see so no one knew it, not even you.

Not until Carlisle accidentally touched your thigh and saw your blood on his hands.