The "singing Quilter" who has travelled and performed extensively in N.Am. has a quilt based entirely on crime. She composed a song as well and sell a CD. Goggle her and you may find enough to keep you busy.
www.singingquilter.com If you look at the 11th photo on her photo page, there is a quilt hanging Each block is part of a song about a crime. Hope that inspires you!!