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Smiley face murder theory. The smiley face murder theory (also known as the smiley face murders, smiley face killings, and smiley face gang) is a theory advanced by retired New York City detectives Kevin Gannon and Anthony Duarte, as well as Dr. Lee Gilbertson, a criminal justice professor and gang expert at St. Cloud State University. [1]
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Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [1][2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW), bioconcentration factors (BCF ...
January 19. ( 2019-01-19) –. February 23, 2019. ( 2019-02-23) Smiley Face Killers: The Hunt for Justice is an American television docuseries that originally aired from January 19 to February 23, 2019 on Oxygen. It examines possible victims of the smiley-face murder theory. Produced by Alison Dammann, the six episodes focus on cases of young ...
Date apprehended. 30 March 1995. Imprisoned at. Oregon State Penitentiary. Keith Hunter Jesperson (born April 6, 1955) is a Canadian-American serial killer who murdered at least eight women in the United States during the early 1990s. He was known as the "Happy Face Killer" because he drew smiley faces on his many letters to the media and ...
A smiley face curve or mid scoop [1] in audio signal processing is a target frequency response curve characterized by boosted low and high frequencies coupled with reduced midrange frequency power. This curve is often attained by users employing a graphic equalizer, which shows a graphic representation of a "smile" using its frequency band ...
The Smiley Company is a brand licensing company, based in London, United Kingdom. It claims to hold the rights to the smiley face in over 100 countries. [3][4][5] The company creates products including textiles, puzzles, party goods, stationery, automobile accessories, and toys for licensed brand partners and retailers. [6][7]
Running time. 96 minutes. Country. United States. Language. English. Smiley Face Killers is a 2020 American slasher film directed by Tim Hunter and written by Bret Easton Ellis, who is also one of the producers. The film loosely based on the Smiley face murder theory. The film stars Ronen Rubinstein, Mia Serafino, and Crispin Glover.