premise: A Mother's Rage (also entitled Road Trip) is a 2013 television film directed by Oren Kaplan and starring Lori Loughlin, Kristen Dalton and Ted McGinley. The story starts with Rebecca Mayer and her daughter Conner, who is about to start her first day in college, being chased by a carjacker on the road. After the police are called, the case begins to be investigated by Emily Tobin, a local officer.
hypothesis: Rebecca Mayer called the police about the carjacker.
reason: The story does not mention if Conner or Rebecca was the caller.