con artist
con man
rip-off artist

"The con artists figure out very quickly who the good guys are."

I'd let a con artist like him talk me into almost anything.

Think for a minute about being a con artist's child.

To really make it work, you'd have to be the best con artist in the world.

After all, what good would it be if they were just talking to a con artist next door?

You have this desire to be some kind of con artist.

This from a con artist who'd spent months in jail.

The man might be a worker at the station or a con artist.

He invested the majority of his money with a con artist.

That I should by chance happen to bump into the best con artist in the history of the world?