I pulled up at the spot where I dropped Casey off earlier and got out of the car. I jogged to the front door where Casey stood, one of her friends hanging a few feet behind her with what looked like my sister's purse in her hands.

I locked eyes with Casey and she started walking. I couldn't read her expression as she looked straight ahead and power walked towards me. I slowed down, ready to spread my arms to give her a hug, but she stepped past me and walked towards the car instead. I ...