Unusual character that lives in my neighborhood

Unusual character that lives in my neighborhood his name was Soul, he been leaving in my neighborhood for a year, and the whole neighborhood is afraid of him. Soul change to a vampire when he mad and hungry, when he happy he turn to a normal person. My mom told me we are moving because she was scare of him and, I was friends with him. I was the only one who knew, he was half human and have vampire. People was scare of him because how he look at people, and the next day they end up missing.The police didn't have enough evidence to prove that he did it, even though the whole neighborhood said that he did it. The whole neighborhood wanted me to leave including Soul. Me and Soul decided to leave one night. The next day it hit the news and me and Soul was watching. My mom was crying but when she read the letter, she understood why I left with him. Soul was on the most wanted list. They couldn't find use because Soul had these powers that we can stay anywhere any state, that no one would ever know we were there. But Soul mom was like Soul she would come and my mom to see us, without the police and the whole neighborood knowing.