Last to first.
Megan was living in a one story house with a front porch and fenced in back yard. She was visiting with neighbors, and then ran in the house to get ready. When she went out the front door, she was dressed in a long red wig and pink dress (think Glenda from "Wizard of Oz"). Her neighbors cat starting crying because she'd been paying too much attention to Shadow.

Had to secure a room against zombies, but they kept stretching and climbing for the window.

This man was going to various places where young children might be allowed to wander. He'd wait until late night, and then find an adult victim. He'd leave a note with "Homocide" and "Paedophilia" written in thick black letters next to the body, covered in blood. Over the next day or so, he'd keep an eye on the area, waiting for children to walk through. After they'd screamed, and the police were done with the questions, he'd find the child's home. He's wait until they were out but alone, and leave a note for them to find. He'd spend time slowly convincing the child that the murder was their fault, and they could and must prevent the next one.
Overall, I preferred the Megan one. Whiny, talking cats aren't disturbing.