The Rhythm of Crime (1981)
Old houses in Zagreb are destroyed in order to build new, bigger blocks. A teacher who lives in one of these houses allows a stranger to share his home with him. The stranger has a fascination with statistics, and claims he can predict crimes based on statistical analyses. When a predicted murder did not occur, the stranger is adamant that the whole town will suffer unless a balance is achieved - and he leaves. based on novel or book, crime fighter, suburbia, black and white
ETC.
