International Man of Murder Part 1 (S07E04)

A string of murders targeting prostitutes is sweeping across Europe, drawing the attention of both Austrian law enforcement and the FBI, who work together to create a profile of the elusive killer. As they connect the dots to Los Angeles, the murderer begins to mock the families of his victims. Just when law enforcement feels they are on the verge of catching him, he slips away, leaving them frustrated and desperate for answers.