The killer on new bloom street

Hi my name is Polly I am 15 years old and have 3 other siblings micha is 17 my oldest sibling I am the middle child too btw and Oliver is 12 he is second youngest and Addison is 7 years young and my fav of all of them my moms name is patty and my dads name is Bart and we live in a decent sized home and my mom is a doctor and my dad is a high school teacher he teaches English and he teaches at clover feild high school help me with my story about the killer on bloom street