Crossword Genius

One in prison for a trick? (3)

Ross

I believe the answer is:

con

I'm a little stuck... Click here to teach me more about this clue!

'for a trick?' is the definition.
(a con is a fraud or trick)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for con that I've seen before include "Tory" , "Direct steering; study" , "Swindle or see" , "Fleece" , "Rook" .)

I've seen this clue in the Evening Standard.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.