What does the cryptic crossword clue "Criminal admitting racket in transported goods (6)" mean?

The wordplay uses a container (one word inside another). DIN (synonym="racket") in LAG (synonym="criminal") = LADING The answer is LADING.

Criminal admitting racket in transported goods (6)

Guardian Cryptic #28935 | 22 Down | 2022-12-08 flower