Possible Clues:

• Arms smuggler
• What's finally making a Parisian shoot criminal
• Moving arms - it's key for a French athlete
• Many barrels among this smuggler's contraband?
• Not a bona fide competitor in the arms race?
• Accelerate in front of athlete who moves arms
• Smuggler demanding an arm and a leg?
• One moving one's arms badly
• Illegal arms dealer
• Person taking part in the arms race