Cynthia was found dead in her apartment by the cops. From their investigation, they found out the killer(s) must have had a blue stain on their clothes because Cynthia was painting with a blue color before she was killed. Among the suspects, blue paint was found on her friend's bag.
Here is the official post if you would like to participate;
@zapfic.club/its-monday-so-it-must-be-time-for-zapfic50monday-write-me-a-story-in-precisely-50-words