Possible Clues:

• They're in detective novels
• Mistrusts religious groups protecting American pastor
• Mistrusts the way fungi take us aback
• Mistrusts the way mushrooms get us upset
• Possible criminals - round up the usual ones
• Puss and the the sect - either of them might have done it
• The usual ones are likely to be the first taken in
• Believes something might be true
• Believes, supposes
• Put the label on again, in a manner of speaking