In "Hot Shot," the FBI is looking for a serial criminal. Charlie suggests that by looking at the victims' daily routines, he may be able to determine where the killer made contact with the victims. He suggests analyzing the information as a directed network flow problem, a mathematical topic that uses directed graphs.
Before the Activity
Download the attached PDF and look over the Teacher Page.
During the Activity
Discuss the materials from the Student Page with your class.
After the Activity
Encourage students to explore web sites and questions from the Extensions page.