It is important that we make our opening look as realistic as possible. Therefore when the audience see the flashback of some of the girls dead, it is important we make them seem dead.
This is through bruises to portray damages and, maybe pale faces. Below is some research done on makeup we found on youtube. My favourite is the first one because, i think it looks very realistic and although it is on an arm it is possible to do makeup as such on someones neck and, other body parts.