Crossword Genius

Legal body that's corrupt use suspect to stitch me up (7,5)

Ross

I believe the answer is:

supreme court

'legal body' is the definition.
(supreme body in the justice system)

'corrupt use suspect to stitch me up' is the wordplay.
I cannot really understand how this works, but
'me' is within the answer.
'up' is found in the answer.
This explanation may well be incorrect...

'that's' acts as a link.

(Other definitions for supreme court that I've seen before include "Its judgment is final" , "High legal authority" , "Ultimate US legal panel" .)

I've seen this clue in The Guardian.
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