S3·E5 Beautiful boy murderer

Norito Izawa gets notified by one of the team members, that he had recognized the need to track down a 17 year old high school student who may be a new potential threat. The student, who is in his 2nd year of high school, is someone who consistently achieves top grades, as well as being one of the best basketball players in his year. However, recently, a series of incidences have been occurring, whereby animals are being mysteriously killed. And security cameras have captured someone of his appearance...