Burglar

A Burglar is a person who, either with or without forced entry, unlawfully gets into a building or other location (most often to steal valuables, athough there are many exceptions), an act which is also referred to as housebreaking or breaking and entering. Sometimes, when a burglar commits multiple break-ins in multiple locations with a "cooling-off period" between each incident, it is called a Serial Burglar.

Hot Prowl Burglary, Home Invasion, and Cat Burglary.
When the break-in is committed while the occupants of the building are still inside, the offender is sometimes referred to as a Hot Prowl Burglar, or Home Invader. A burglar who stands out for his agility is usually referred to as a Cat Burglar.

Typology and Motivations of Burglars/Serial Burglars

 * 1) Professionals - They are highly skilled, undertake extensive planning, and concentrate on "big jobs", since burglary is often their sole livelihood.
 * 2) Known Burglars - They are far less sophisticated, organized, and successful (hence their classification as "known" burglars) than professional ones, even though burglary may represent a major source of their livelihood.
 * 3) Young Burglars - They are usually in their late teens or early twenties, and well on their way to become known burglars.
 * 4) Juvenile Burglars - They are under 16 of age and prey on local neighborhood targets chosen by chance or occasion. They sometimes operate under the supervision of an older burglar.
 * 5) Junkies - They are opportunistic burglars and the least skilled of them.
 * 6) Fetish Burglars - They commit burglary because of the sexually provocative images that the stolen items (such as lingerie or leather) convey, and the physiological arousal they may experience. Their motives are connected to their specific (perhaps sexual) fantasies. It is very common, for serial sexual offenders, to evolve from fetish burglars.
 * 7) Atypical - They defy classification. Such offenders usually commit burglary as part of another, major crime (e.g. rape, murder, kidnapping, and even wiretapping).

On Criminal Minds

 * Season One
 * Scott Harbin ("Unfinished Business") - An alarm installer, fetish burglar-turned-killer, and abductor. He was briefly suspected of being the Keystone Killer, being currently (presumably) incarcerated. (Fetish; Atypical)
 * Walter Kern ("Unfinished Business") - An alarm installer and serial killer, known as the "Keystone Killer", whose modus operandi involved home invasions. (Atypical)
 * Season Four
 * Floyd Hansen ("Paradise") - A motel manager, serial rapist, and serial killer who started out as a peeping tom and fetish burglar. (Fetish)
 * Armando Salinas ("Catching Out") - A drug-addicted, vagrant serial killer who committed home invasions as part of his M.O. (Junkie; Atypical)
 * Season Five
 * Robert Johnson ("The Internet is Forever") - A serial killer who committed home invasions in order to abduct his victims, whose deaths he later streamed live in a chat-room. (Atypical)
 * Billy Flynn ("Our Darkest Hour" and "The Longest Night") - A prolific serial rapist, and serial-turned-spree killer whose M.O. involved home invasions. (Atypical)

Real World

 * Blane David Nordahl (Professional)
 * Bill Mason (Professional)
 * Dennis Rader (Atypical)
 * Mr Cruel (Atypical)
 * Richard Allen Davis (Jouvenile; Young; Known; Junkie; Atypical)
 * Richard Ramirez (Junkie; Atypical)
 * The Bling Ring (Jouveniles; Young)
 * The Golden State Killer (Fetish; Atypical)
 * The Watergate Burglars (Atypical)