Profile of the Original Night Stalker
After criminologists matched serological evidence found at the southern California murder scenes, a psychological profile of the Original Night Stalker was compiled. According to Leslie D’Ambrosia, who was the primary author of the profile, it’s likely that the Original Night Stalker would possess the following characteristics:
White male
Emotional age of 26 to 30 at the time the crimes were committed
Likely began as a voyeur in his late teens or early twenties.
Lived and/or worked near Ventura, California in 1980
Had some means of income, but did not work in the early morning hours
Drove a well-maintained car
Dressed well and would not stand out in upscale neighborhoods
Would appear harmless
Intelligent and articulate
Neat and well-organized in his personal life
Possibly unmarried and did not enter into long-term relationships
Would have been described by those who knew him as arrogant, domineering, manipulative, and a chronic liar
Had some knowledge of police investigative methods and evidence gathering techniques
Was a skilled and experienced cat burglar and may have begun that way
Was in good physical condition
Had a criminal record as a teenager which was expunged
Engaged in sex with prostitutes
Peeped into the windows of many potential victims who were not attacked
Engaged in deviant paraphilic behavior and brutal sex in his personal life
Sexually functional and capable of ejaculation with consenting and non-consenting partners
Self-assured and confident in his abilities
Hated women for real or perceived wrongs
Would continue committing violent crimes until incapacitated by prison, death, or some other intervention
If married, probably has a submissive spouse who tolerated his sexually deviant behavior
In addition to describing the characteristics of the Original Night Stalker, the profile also speculates about the fate of the slayer. According to the profile, the Original Night Stalker could have been incarcerated following Janelle Cruz’ murder or killed in the commission of a similar crime (however, the last known contact with the Original Night Stalker was in 1991 when he made a taunting phone call to one of his victims). As to the latter point, the profile indicates that law enforcement agencies should look into attempted hot prowl burglaries in the late 1980s which resulted in the death of a lone male offender. The profile also indicates that there is a slight chance the Original Night Stalker committed suicide; furthermore, it would be unlikely that he is confined in a mental institution.
The profile reveals that following the original homicides in this series, teletypes were broadcast to law enforcement agencies throughout the United States. These teletypes requested information on similar home invasion attacks involving sexual assault, murder, bludgeoning, multiple victims, and/or bondage. As of 2011, no similar crimes have been reported in the United States. The profile propounds the possibility, however, that the Original Night Stalker could have continued committing his crimes in another country where records were not consulted for linkage purposes.
As a psychological profile is based on a probabilistic analysis, its accuracy cannot be assessed before the offender has been apprehended.
The Original Night Stalker/East Area Rapist case was the motivating factor in the passage of legislation leading to the establishment of California’s DNA database, which authorizes the collection of the DNA of all the accused and convicted felons in California. California’s DNA data retrieval and storage program is considered by experts to be second only to Virginia’s in size and effectiveness in solving cold cases. While the California DNA database motivated by this case has solved numerous previously unsolved cold cases across the country, the original case remains unsolved.

Profile of the Original Night Stalker

After criminologists matched serological evidence found at the southern California murder scenes, a psychological profile of the Original Night Stalker was compiled. According to Leslie D’Ambrosia, who was the primary author of the profile, it’s likely that the Original Night Stalker would possess the following characteristics:

  • White male
  • Emotional age of 26 to 30 at the time the crimes were committed
  • Likely began as a voyeur in his late teens or early twenties.
  • Lived and/or worked near Ventura, California in 1980
  • Had some means of income, but did not work in the early morning hours
  • Drove a well-maintained car
  • Dressed well and would not stand out in upscale neighborhoods
  • Would appear harmless
  • Intelligent and articulate
  • Neat and well-organized in his personal life
  • Possibly unmarried and did not enter into long-term relationships
  • Would have been described by those who knew him as arrogant, domineering, manipulative, and a chronic liar
  • Had some knowledge of police investigative methods and evidence gathering techniques
  • Was a skilled and experienced cat burglar and may have begun that way
  • Was in good physical condition
  • Had a criminal record as a teenager which was expunged
  • Engaged in sex with prostitutes
  • Peeped into the windows of many potential victims who were not attacked
  • Engaged in deviant paraphilic behavior and brutal sex in his personal life
  • Sexually functional and capable of ejaculation with consenting and non-consenting partners
  • Self-assured and confident in his abilities
  • Hated women for real or perceived wrongs
  • Would continue committing violent crimes until incapacitated by prison, death, or some other intervention
  • If married, probably has a submissive spouse who tolerated his sexually deviant behavior

In addition to describing the characteristics of the Original Night Stalker, the profile also speculates about the fate of the slayer. According to the profile, the Original Night Stalker could have been incarcerated following Janelle Cruz’ murder or killed in the commission of a similar crime (however, the last known contact with the Original Night Stalker was in 1991 when he made a taunting phone call to one of his victims). As to the latter point, the profile indicates that law enforcement agencies should look into attempted hot prowl burglaries in the late 1980s which resulted in the death of a lone male offender. The profile also indicates that there is a slight chance the Original Night Stalker committed suicide; furthermore, it would be unlikely that he is confined in a mental institution.

The profile reveals that following the original homicides in this series, teletypes were broadcast to law enforcement agencies throughout the United States. These teletypes requested information on similar home invasion attacks involving sexual assault, murder, bludgeoning, multiple victims, and/or bondage. As of 2011, no similar crimes have been reported in the United States. The profile propounds the possibility, however, that the Original Night Stalker could have continued committing his crimes in another country where records were not consulted for linkage purposes.

As a psychological profile is based on a probabilistic analysis, its accuracy cannot be assessed before the offender has been apprehended.

The Original Night Stalker/East Area Rapist case was the motivating factor in the passage of legislation leading to the establishment of California’s DNA database, which authorizes the collection of the DNA of all the accused and convicted felons in California. California’s DNA data retrieval and storage program is considered by experts to be second only to Virginia’s in size and effectiveness in solving cold cases. While the California DNA database motivated by this case has solved numerous previously unsolved cold cases across the country, the original case remains unsolved.

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