It's hard not to notice when there's a bunch of detectives out in the open somewhere, you know! [and she... hangs around detectives and others that have an in with the police force. No judging, okay.]

Do you want to investigate the scene of the crime? Maybe there's something there they overlooked that'll help with the case! [though, she hasn't really seen any of the evidence from the other murders, so she doesn't have much of an idea as to what's 'helpful' there and what isn't. But that's just a minor detail.]