Possible Clues:

• Cockney and Geordie, say, touring US state have more than one mishap
• Car-on-car mishaps
• Fender benders
• Distance when flying to check carbon disasters
• Stress about papers with small mistakes
• With stress beginning to spread around, I had bad things happening
• They happen, they say
• Bill joins detectives sent out following crashes
• Bill joins detectives sent out after crashes?
• In stress, I'd start to show blunders