Crossword Genius

Criminal: villain online nailing two consecutive characters (8)

Ross

I believe the answer is:

hijacker

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'criminal' is the definition.
(hijacker is a kind of criminal)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for hijacker that I've seen before include "One forces a pilot to fly to a chosen destination" , "One seizing control of plane" , "Plane or ship seizer" , "One who steals en route" , "Seizer of vehicle controls" .)

I've seen this clue in The Telegraph.
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