Stuck on the final two. Have I made a mistake somewhere?... 23a. Agent's message, maybe: "Try to come back between chapel and drive" (10) -R-P-O-R-E 26a. Supervise "rag lion" housing for Muslim...
Phew! Nearly there but can't get 36a... takes lid off cylinders damaging Spenser's coffer -c-y-e. Loved this puzzle but it was very hard to do on iPad because Ts and Is look the same, as do Es and Fs.