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Gary Ridgway Green River Killer

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This essay is regarding the ‘Green River Killer’’ case which started to happen in 1982 in Washington. The serial killer is Gary Ridgway which at the time was 33 years old and in 2001 he confessed to having killed 75-80 women between the years of 1982 and 2001.
Gary was first introduced to Necrophilia by his father when he was only a teenager. Gary loved the idea of having sex with a dead person as there would be no feelings involved and he would not get caught. Due to a traumatic past, he began to grow mentally disturbed and failed in multiple relationships.
Gary Ridgway was sentenced to multiple life sentences and as he became known as one of the most prolific serial killers in the history of the United States Of America. …show more content…

The police took hair and saliva samples from Gary in 1987 but unfortunately due to DNA not being well developed yet he was released with no further questioning. (Gish, 2017)

The DNA content of biological samples can be quite high depending on the type of sample and how well you acquire them. Depending on local conditions which they were found and especially on the length of time between deposition and collection. Gladly, in this case, the hair and saliva sample which saliva contains 100-1 500 ng/swab and a hair plucked (with root) contains 1-750 ng/root, was well collected and stored, making possible to solve this crime. ( Sutton and Trueman, 2009, p.137)

For a saliva, DNA is of good use in the future it has to be clearly labeled with date and time taken and the donor’s name. This samples should be stored frozen as soon as possible. ( Sutton and Trueman, 2009, p.148)
Also, for hair “the sample should include both pulled and combed hairs and include any variations in colour and length. These should be packaged separately.” ( Dr. Nicholas,

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