Watching real life cop shows may also help. If you are serious about writing and can get the permission, it may be a good idea to shadow a detective team or at least ask them how murder investigations work.
[header] How to write murder mysteries [title] Read as many murder mysteries as you can as it will expand your knowledge. [step] The more you learn about them, the better. By watching murder mysteries as well as reading them you may gather some ideas about how murders are solved.