Possible Clues:

• Download without paying, say
• Plagiarist may make head of publishing furious
• Detective and judge working overseas with Grace O' Malley
• Criminal at sea getting cross at stern of ship
• Marine marauder
• Cost of hiring detective is criminal
• Nick, dangerous chap in the main
• Detective with charge that's appropriate
• Sparrow, for one
• Detective and judge working overseas with Grace O'Malley