Following an investigation into a fatal crash involving a Tesla Model 3 and a semi-truck, the US National Transportation Safety Board (NTSB) has determined that the autopilot feature in the Model 3 was in fact engaged at the time of the accident.

Interestingly, the Model 3 was traveling 68 miles per hour in a 55 MPH zone on US 441 in Delray

Source: Hot Hardware – Tesla Model 3 Fatal Crash With Semi Truck Had Autopilot Engaged