A good bl (but not necessary) detective story, with serial killer or psychologist like sha qing, the way of evil, psychological control, etc.
https://www.novelupdates.com/series/s-c-i-mystery-series/ https://www.novelupdates.com/series/escape-the-infinite-chamber/ https://www.novelupdates.com/series/breaking-through-the-clouds/ They might fit what you are looking for?