Answer:
Devices like smartphones can interface with cars and leave evidence
Explanation:
Vehicle system forensic relates to digital data stored in a vehicles system.
Bluetooth connection times can be used to figure out at what time the owner was near his car. e.g. between a smart-watch and car infotainment system
There are creases. Or just origami
15 km 30 divided by 4 is 7.5 km in 30 min times that by 2 the answer is 15