alt. (abbreviation of unsubscribe English) n. (context law enforcement English) {{non-gloss definition| (abbreviation of lang=en unknown """un"""known subject """sub"""ject) of an investigation.}} vb. (abbreviation of unsubscribe English)

Unsub may refer to:

Unsub (TV series), a 1989 television series starring David Soul as a forensic investigator"Unknown subject of an investigation", typically used in American TV crime shows, especially Criminal Minds

Unsub is an American television series that aired on NBC from February 3 to April 14, 1989. The series revolves around an elite FBI forensic team that investigates serial murderers and other violent crimes. Unsub is an abbreviation for the unknown subject of an investigation.

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Usage examples of "unsub".

As with other aspects of their investigations, authorities wanted some things held back so that there would still be details only the UNSUB would know.

Though the crimes largely represent a disorganized UNSUB, mixed aspects suggest a personality somewhere along the continuum.

If he knows facts-that ash with a high strontium content probably came from a highway flare, thatfaca is Portuguese for knife, that Ethiopian diners use no utensils and eat with their right hands exclusively, that a slug with five land-and-groove rifling marks, right twist, could not have been fired by a Colt pistol-if he knows these things he may just make the connection that places an unsub at the crime scene.

The homicide falls under the heading of lust murder, as is clearly indicated by the torture to which the victim was subjected antemortem, but I would be hesitant to categorize this UNSUB as being in the same sort of crazed frenzy as we saw in Jack the Ripper’.

And of course the Unsub might not have bought the glue in the northeastern United States.

If Polling was the unsub he’d have to wear the mask of course—because one of the vics might see him later.

And we can rule out sexual assault as a motive, since there was no sign of it and the UNSUB actually left his victim to go to the boys’.

He believed the residence was probably surveilled ahead of time and that the UNSUB had most likely been inside before, either through legitimate or illegitimate means.

He lifted the top sheet and on the next page he found a dense page of notes, hundreds of words in the unsub s writing.

Neither of the vics, though, had been able to tell her anything more about Unsub 823.

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If Polling was the unsub he"d have to wear the mask of course-because one of the vics might see him later.