Data Driven Storytelling: A Deep Dive into Storytelling Techniques is not explicitly aimed at legal scholars but some might find it helpful:
The American Association for the Advancement of Science (AAAS) Science & Technology Policy Fellowship Big Data Affinity Group, in collaboration with the South Big Data Innovation Hub, West Big Data Innovation Hub, and The National Consortium for Data Science, invite you to a data visualization and storytelling event July 14, 2017 from 8:30 am to 4:00 pm ET in Washington, DC. This event is the second in The Science of Data-Driven Storytelling workshop series (#datascistories). The meeting brings together a community of policymakers and data storytellers to visualize insights from data that generate effective communication.
Since this event is currently full, you can participate via WebEx for the plenary sessions.