conventions check list for a gangster film and horror films.

Gangster Conventions
.Underworld figures
.Ruthless hoodlums who operate outside the law
.Stealing
.Violent/Brutal murders
.Materialistic
.Street smart
.Immoral
.Self destructive
.Rival with out gangster groups
.Latin Americans or black suited gangsters
.Weapons e.g. Guns
Horror Conventions
.Dark scenes
.Brutal Murders
.Serial killer (John doe in Se7en and Jigsaw in Saw)
.Gore
.Enigma's with Serial killer horror movies such as Saw and Se7en