The 64-year-old man is arrested for the murder of a woman in a cold case in 1979

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Colorado authorities have detained a man in connection with the 1979 murder of a local community college employee, one of the oldest cold cases in the state.

James Herman Dye, 64, was arrested on March 22 in Wichita, Kansas by the Weld County Sheriff’s Office for the murder of 29-year-old Evelyn Kay Day. He is charged with two charges of first degree murder and is awaiting extradition from Kansas.

Day was discovered on November 27 in the back of her red 1977 Datsun station wagon in block 5700 of 20th Street in Weld County. She had been strangled with the belt of her overcoat.

Day was last seen the day before, leaving the Business Lab at Aims Community College at 10 p.m. by college student Julie Cogburn. Cogburn had last seen Day in the parking lot after the two left the building.

James Herman Dye, 64, was arrested on March 22 in Wichita, Kansas by the Weld County Sheriff's Office for the murder of 29-year-old Evelyn Kay Day.  He has been charged with two charges of first degree murder

James Herman Dye, 64, was arrested on March 22 in Wichita, Kansas by the Weld County Sheriff’s Office for the murder of 29-year-old Evelyn Kay Day. He has been charged with two charges of first degree murder

Day was discovered in the back of her red 1977 Datsun station wagon on the 5700 block of 20th Street in Weld County on Nov. 27.  She had been strangled with the belt of her overcoat.

Day was discovered in the back of her red 1977 Datsun station wagon on the 5700 block of 20th Street in Weld County on Nov. 27.  She had been strangled with the belt of her overcoat.

Day was discovered in the back of her red 1977 Datsun station wagon on the 5700 block of 20th Street in Weld County on Nov. 27. She had been strangled with the belt of her overcoat

Her husband reported her missing to Evans police on November 27.

Authorities reopened the case for Day’s murder after the Colorado Bureau of Investigations determined that the DNA component of the semen found on the woman did not match that of her husband, Stanley Charles Day.

Detective Byron Kastilahn reopened the case on May 1, 2020. On August 26, 2020, Kastilahn received a report that positively matched sperm DNA with Dye, according to an affidavit for his arrest.

Dye’s DNA was also found on the sleeve of Day’s coat and on a fingernail removed from her right hand.

Authorities reopened the case for Day's murder after the Colorado Bureau of Investigations determined that the DNA component of the semen found on the woman did not match that of her husband, Stanley Charles Day.

Authorities reopened the case for Day's murder after the Colorado Bureau of Investigations determined that the DNA component of the semen found on the woman did not match that of her husband, Stanley Charles Day.

Authorities reopened the case for Day’s murder after the Colorado Bureau of Investigations determined that the DNA component of the semen found on the woman did not match that of her husband, Stanley Charles Day.

Research indicated that Dye was enrolled as a student at the college during the summer and fall quarters of 1979, the winter quarter of 1980, and the summer quarter of 1982.

Research indicated that Dye was enrolled as a student at the college during the summer and fall quarters of 1979, the winter quarter of 1980, and the summer quarter of 1982.

Research indicated that Dye was enrolled as a student at the college during the summer and fall quarters of 1979, the winter quarter of 1980, and the summer quarter of 1982.

Searching criminal records for Dye, Kastilahn found that the suspect had an extensive criminal history as a multi-state offender with offenses in both Colorado and Kansas.

In Colorado, Dye had been arrested in October 1977 for second-degree sexual assault, an arrest in February 1981 for sexual assault on a child, an attempted sexual assault from May 1981, an arrest in March 1987 for sexual assault, and a third-degree arrest for sexual assault . in 1982.

Further investigation found that, according to the affidavit, Dye was enrolled as a student at the college during the summer and fall quarters of 1979, the winter quarter of 1980, and the summer quarter of 1982.

It was also found that he was attending a class close to where Day was working at the time of her assassination.

Officials announced Dye's arrest at a news conference on Friday

Officials announced Dye's arrest at a news conference on Friday

Officials announced Dye’s arrest at a news conference on Friday

Kastilahn looked at the files for the murder and discovered a tip from Weld County Crime Stoppers from September 1988 that identified Dye as a suspect at the time.

According to the tip, Dye worked on a farm east of Platteville and was “the one who killed the girl or is very involved in the murder.” The tip further stated that ‘on the night of the murder, the subject came home with blood all over his clothes.

The affidavit says the person who left the tip said Dye threw away the clothes and sat down to watch news on the TV. Dye then reportedly told his ex-wife that ‘a girl had been murdered at Aims and said this before it was on the news’. The person who left the tip was “ somewhat uncooperative ” when follow-up questions arose about who the ex-wife was, the affidavit said.

Kastilahn interviewed Dye's ex-wife Maria Hawkins and his two sisters.  The suspect's sister, Sherry Kubacki, said Dye's mother Viola Dye even told her he killed Day

Kastilahn interviewed Dye's ex-wife Maria Hawkins and his two sisters.  The suspect's sister, Sherry Kubacki, said Dye's mother Viola Dye even told her he killed Day

Kastilahn interviewed Dye’s ex-wife Maria Hawkins and his two sisters. The suspect’s sister, Sherry Kubacki, said Dye’s mother Viola Dye even told her he killed Day

Kastilahn interviewed Dye’s ex-wife Maria Hawkins and his two sisters. The suspect’s sister, Sherry Kubacki, said Dye’s mother Viola Dye even told her he killed Day, according to the affidavit. The detective also found that Dye and Day had both lived in Evans.

When Dye spoke to authorities in Kansas, he denied having a sexual relationship and having a sexual relationship with Day, the affidavit said.

He denied killing her and also told authorities that he did not remember what he did not know what he was doing at the time of the murder.

Charge documents for Dye's arrest.  He has been charged with two charges of first degree murder

Charge documents for Dye's arrest.  He has been charged with two charges of first degree murder

Charge documents for Dye’s arrest. He has been charged with two charges of first degree murder

The affidavit of the arrest calling for the arrest of the murder suspect

The affidavit of the arrest calling for the arrest of the murder suspect

The affidavit of the arrest calling for the arrest of the murder suspect