Possible Clues:

• His guilt is a possibility
• Possible perpetrator of a crime
• Upsets first cause problem, then doubt
• Possible criminal
• One may get to be accused
• Dubious American Pastor in dissenting body
• Smell a rat, as usual, in Captain Renault's round-up
• One may have done it with puss,etc
• Believe (something) to be probable
• Puss, etc., may have done it