Problem with the last one, I think the answer is sleeper, but cannot completely parse it. I realise the secret agent is the sleeper, bu where do the tears come in?
29a Express tears over one secret agent (7)
s?e?p?r
Thanks in advance
Could it be 'express' as in 'express train', which might have sleeper carriages on it? Thus: express (sleeper train) tears over (runs along/travels at speed) one secret agent (sleeper).
An express train tears (moves rapidly) over SLEEPERS, so it tears over one SLEEPER, which is also a secret agent. This same clue was on Answerbank a few weeks ago.