Possible Clues:

• Trace call: isn't one criminal?
• Iota
• Trace special constable -- at home prior to Arsenal's kick-off
• Trace calls in it on the move
• Wrong steering mechanism, we hear, producing spark
• Bit unwell encased by cast in suffering
• Hint or trace
• Trace stray ploughman by ear
• Black overwhelms interior after hint of sun just a bit
• Extraordinarily call sit-in for small thing