The Preacher's Dark Side

On her way home, Sonia is attacked by a man, but she manages to break free and scream. This scares the attacker away, who flees the scene. Who is the perpetrator and what could have led to his series of assaults?

Elsa is on her way home from the beach when the preacher attacks her out of nowhere and violently sexually assaults her. The police now realise that there is a serial rapist on the loose.