Mines about an emotional teenager who is horrorstruck at his father's murder. His mom died the year before and he can't bear lose another family member. And man this kid has problems. Typical teen. Anyway, he conducts a private search to find his dads killer. BTW, his dad is Rowling famous and writes noir novels about being a serial killer. The exquisite details in his book are almost uncanny. They can't be mimicked unless actually killing...
Anyway, the MC discovers that his dad is not who he says he is. He discovers that before marrying his mom, his dad had another identity. Further exploration reveals that his dad (the old one) was a suspect in eight homicides. And the MC realizes that his fathers stories weren't just fiction...