Playwright’s written about offender’s handicraft (9)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

CRIM’S (=offender’s, i.e. criminal’s) in SHAW (=playwright, i.e. George Bernard Shaw, from Ireland); scrimshaw is a sailor’s spare-time handicraft, such as carving fanciful designs on shells, whales’ teeth, etc