In a lot of car accidents, the only witnesses are the drivers of each vehicle—no passengers or other bystanders were around to see what happened. So what happens when each driver tells a different story about what happened? Most cars from the last 15 years or so have small computer modules in them that record the vehicle’s data after detecting an impact, and this data can provide powerful evidence about what the driver of the car was actually doing. Read here to learn how it’s helpful in a personal injury case.