Torture and stab randomly in commotion (9)
I believe the answer is:
bastinado
'torture' is the definition.
(I've seen this before)
'stab randomly in commotion' is the wordplay.
'randomly' indicates an anagram (I've seen 'roaming randomly' mean this).
'commotion' becomes 'ado' (ado is a kind of commotion).
'stab' anagrammed gives 'bast'.
'bast'+'in'+'ado'='BASTINADO'
'and' is the link.
(Other definitions for bastinado that I've seen before include "Punishment by caning soles" , "Punishment beating on the soles of the feet" , "Torture by caning soles of feet" .)