Actually that could be a great solution to teach murderhobo teens how to RPG properly. The town’s guard enlists them to solve the murder they committed. See how they weasel their way out - if they can.
Take the cop approach
“We have investigated ourselves and have found no evidence of wrongdoing”
Very simple. You rob the local item store, murder the owner’s family, frame him for those murders AND the original murders. Sprinkle clues and ‘solve’ the crime.
If it gets the players doing literally anything other than rolling attack rolls that’s still a win, we take those
I have to do this next time I DM again.
Who shot ya?
The cleric brings up a fun “exploit”. You cast speak with dead on the murdered yourself so you have a 10 day grace period - even better if you threaten their family if they do snitch.
Batteries.
Truly a unique experience when it comes to 12v batts.
How you solve the murder in Murdered Soul Suspect: Fuck, I just died and the police ain’t doing shit, guess imma solve this one myself