Working night and day on his crooked schemes.

As the brain behind all sorts of crooked schemes, Leon had access almost anywhere.

Cooking up crooked schemes was the big-shot's business.

My guess is that Olsen and Dobbsie are involved in some crooked scheme.

Hector may get away with his crooked scheme.

He was also in the crooked scheme.

To answer it falsely was part of his crooked scheme.

She has faced you down, wizard, and in some manner now threatens your crooked schemes.

However clever crooked schemes might be, The Shadow had a habit of outmatching them.

He finances a lot of crooked schemes and takes a big cut.