ACROSS:
1 Criminal adopting plan to snare (7)
B????T? ( BANDITS ? )
6 Period of indulgence in activity securing gold (6)
( PARDON? )
16 Wrote a spy novel (9)
T???A????
45 Ed's to encircle backsliding workers in remote regions (6)
???E??S
1 - 3 letter 'snare' inside 4 letter (slang) for 'criminal' [thematic - no def].
6 - 4 letter 'period of indulgence in activity (=holiday) around 2 letters for 'gold' [thematic - no def].
'WROTE A SPY' anag [thematic - ditto].
Thanks, PM. I mentioned it only because there was no indication of thematic stuff in the last list of clues Matakari gave. I feel it's a little unfair on AB solvers, a helpful bunch - but not always psychic (if they haven't already done the puzzle.)