Even after being bereaved by murder, it is important to remember that as well as the shock of such an awful event, those who are left are quite probably going to go through more standard models of Grief & Mourning.
The following is some good articles on standard models of Grief & Mourning.
Grief and Mourning: What's Normal and What's Not?
The DABDA Theory of Coping With Death
The Four Phases and Tasks of Grief
