ACROSS
 1. CA PISCE[-s] = CAPISCE <got it from mafioso?>
 5. "MOWED" = MODE <fashion>
 7. "INN FOE" = INFO <dope>
 8. AUTO + NO_ MY = AUTONOMY <freedom>
 9. B RUGS outside E = BRUGES <European city>
10. <turn up to> ATTEND = A TT + END
11. <contracting> CURTAILMENT = CURT AILMENT
14. <jerks> SPASMS = S_ PA SMS
16. <rogue> RASCAL = LASCAR, L↔R
18. FALL outside IRE W = FIREWALL <defence system>
19. <throughout> AMID = AM ID
20. <king> CNUT = C_N_U_T
21. VERDI* + IN = DRIVE-IN <outdoor venue>

DOWN
 1. <birth control> CONTRACEPTION = CONTRAPTION outside CE
 2. <I skewer> PRONG = R inside PONG
 3. <Welsh city> SWANSEA = S_ WAN SEA
 4. <more> EXTRA = ERA outside ←TX←
 5. <swimmer> MANATEE = (MATE outside AN) _E
 6. <protest> DEMONSTRATION = T RATION after DEMONS
12. SCEPTRE* = RESPECT <value>
13. <rock-themed enchantress> LORELEI = (.i)L ORE LEI(s.)
15. <burn> SCALD = "SKALD"
17. ←TAPS← + E_ = SPATE <flood>