The phrase "an unsub" is correct and commonly used in written English.
"Unsub" is short for "unknown subject" and is often used in police or detective jargon to refer to a suspect in a crime. Example: The detectives were still searching for an unsub in the case of the missing girl.
By September 2000, Chris Simmons learned from a fellow intelligence officer that the FBI was having difficulty identifying an UNSUB spying for the Cubans.
As already discussed, understanding the individual history of an "unsub" is key to catching him/her.
True, the show is kind of hard to follow at times and it literally took me four years to figure out what an "unsub" was, I love their continued quest to track down every serial killer, rapist and kidnapper that happens to terrorize a different city in American at the same time every Wednesday.
The "Ghost Whisperer" alumna will play "the mother of an UnSub" who is "very protective and watchful over her son, whom she knows has some serious emotional problems," which chiefly include killing women who happen to look like his ex-girlfriend.
A particular "unsub" hunts nannies because his own nanny was responsible for the accidental drowning of his baby sister.
Unsub - unknown subject While not said in "True Detective," unsub, which means an unknown subject of an investigation, is a common term used in many cop shows, including "Criminal Minds".
Out of that insight came another prediction: "One of the things we began saying in some of our profiles was that the UNSUB" — the unknown subject — "would drive a policelike vehicle, say a Ford Crown Victoria or Chevrolet Caprice".
FBI special agents now knew that their "UNSUB" – or unidentified subject – had high-level access to US intelligence on Cuba and had purchased a specific type of Toshiba laptop to communicate with Havana.
For the moment, he is known in law enforcement jargon only as Unsub, or unknown subject.
Since many Identi.ca users employ a bridge to pipe posts to Twitter, the message path still works into Friendfeed when you unsub from Identi.ca.
Cut to a room full of law enforcement officers taking copious notes as the profilers take turns presenting every speculation they've gained from investigating the behaviors of the "unsub".
