Best Twist: Why Castle Writes Murder Mysteries
![](https://tv-fanatic-res.cloudinary.com/iu/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1661721234/user/modwild)
Rick first mentioned it back in season 2 but the truth didn’t pop up until this season. Rick Castle stumbled across a dead body and a serial killer in “Hollander’s Woods” when he was just 11-years-old. The killer who was never caught and the mystery he couldn’t solve were what drove him to become a world famous mystery writer.