Possible Clues:

• Moving explanation for crime?
• Inspiration in test leading to one day of victory
• Why the manoeuvre to capture it boomeranged?
• Reason to put it back in transport
• Why it's back in touch
• Reason it was put back in turn
• The French have a word for it and so have I - that's why
• Whodunit necessity
• The reason why
• Car test I have for good reason