1a. A joker punched in (hyphenated) (6) ?I???T
20a. Being that evil crime disheartened (5) S?N??
21a. People left to perish head off another way (5) ??I?S
19d. Cleaner motor getting hot (4) ???R
18d. Pie filling taken around a shop (4) ???I (is it DELI)?