internship with Vince, as he placed the highest test scores. However, later on when Omar Rivera's body was found, Peter faints at the scene, and Vince immediately replaced him with Ryan. She works alongside Vince Masuka during the Doomsday Killings acting as both his partner in the case and understudy, and slowly forms a relationship with him. Vince worked up the courage to ask her out on a date, and Ryan agreed. Ryan has a fascination with the buried Ice Truck Killer case; Masuka eventually brought up the evidence from the investigation for her to look through as a sort of gift. She expressed her fascination with the case, having followed it since the details were made public. A mannequin arm left in the evidence box was later stolen by her and sold on the internet because she needed money for rent. The breach of trust led to Vince replacing her with Louis Greene, leaving Vince quite sore about it. Louis Greene Josh Cooke Louis Greene is the third intern in Miami Metro PD's forensics department, replacing Ryan. He is a computer genius, whose expertise leads to critical breaks in the Doomsday Killer case. Louis falls for Detective Batista's sister, Jamie, and reveals he is well off due to his side-gig of developing video games. Louis was developing a video game based on serial killers, and seeking Dexter's approval, showed him the game much to Dexter's disgust. He sends the Ice Truck Killer's hand to Dexter's home, and tries to destroy Dexter for discouraging his video game. Dexter warns him to leave his life, to which Louis refuses. Dexter gets him fired and broken up with by Jamie, leading Louis to attempt to sabotage Dexter's boat. In the process, he ends up getting killed in a mix up with Isaak Sirko. Additional characters, introduced in season 7 Hannah McKay Yvonne Strahovski Hannah McKay was a fifteen-year-old from Clopton, Alabama when her boyfriend Wayne Randall commenced a three-state killing spree. She spent six years in Juvenile detention after pleading guilty to being an accomplice. She claimed not to have actually committed any crimes and received immunity from prosecution after agreeing to testify against Randall. She married a man in his 40s, but poisoned him when he was pressuring her to have an abortion, later claiming she wanted to have the child. She inherited her gardening business from her mentor, whom she