A horrible massacre of his family! The Lissy family case. True Crime Documentary.

The story of the Lissi family is an example of how the closest, seemingly close person can suddenly turn into a bloodthirsty monster. The man's behavior and his stated motives for committing the crime were so frightening and shocking that it suggested he was insane. However, to everyone's surprise, a psychiatric examination showed that he was aware of his actions and had planned the gruesome crime in advance...