MSNBC Dateline June 4, 2024 06:28:00
Box out of justine's pontiac, analyze the data and found another sign that pointed to suicide. she'd taken off her seatbelt. black box also recorded speed, acceleration and braking and found -- that justine was accelerating, flooring it, so to speak in the five seconds before the crash, speeding up from 81 to 86 miles an hour's before hitting the brakes at the last second. >> she did not swerve, she drove head on into the other vehicle. >> back it up, prosecutors brought up this pedometer and their indicating 85 miles an hour found an orange mark it is known as a slap mark, made the expert tes...