Departed in haste, baffled (4)

I believe the answer is:

fled

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'departed' is the definition.
The answer and definition can be both to do with motion as well as being past participle verbs.
Maybe they are linked in a way I don't understand?

'haste baffled' is the wordplay.
'FLED' is hidden in amongst the letters.
But, I am unsure how the hidden word is indicated.

'in' is the link.

Can you help me to learn more?

(Other definitions for fled that I've seen before include "Having run or hurried away" , "Did a runner" , "Left the field" , "Ran or hurried away" , "Ran off in a hurry" .)

I've seen this clue in the Evening Standard.

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