One Judge probing journalist's criminal act (6)
I believe the answer is:
hijack
'criminal act' is the definition.
'hijack' can be an answer for 'act' (hijack is a kind of act). I am not sure about the 'criminal' bit.
'one judge probing journalist's' is the wordplay.
'one' becomes 'i' (Roman numeral).
'judge' becomes 'J' (abbreviation for judge).
'probing' indicates putting letters inside (probe can mean to make a hole in).
'journalist' becomes 'hack' (hack can informally mean a journalist).
'i'+'j'='ij'
'ij' inserted inside 'hack' is 'HIJACK'.
Can you help me to learn more?
(Other definitions for hijack that I've seen before include "Illegal activity" , "Take control without authority" , "Criminal seizure of plane" , "Take (aircraft) by force" , "Appropriate" .)