Possible Clues:

• Intrude, being not tested
• Turn and die without having come to court?
• How no attempt was made to make the unit red
• Turn and die while it's still sub judice
• Turned out the one inside is new
• Without leash, Rex must be restrained - not yet proved reliable
• Awaiting one's day in court
• Still to be evaluated back on Manchester United ground
• Not tested or proven
• Inexperienced peacekeepers put to the test