Michael Dee Mattson

Demographic Info

5MaleCaucasianUSANomadicSexual1953/07/23 (Utah, USA)n/a


Right to Counsel: A Lawyer's Struggle to Defend a Serial KillerJames PottsAmazon, Kindle eBook

Michael Dee Mattson was born on July 23, 1953 in Utah. He was born the first of four children in his family.

From a young age Mattson was physically abused by his father and also witnessed him mother being abused many times. His father would call him names and belittle him both in private and in public. Before the age of 6 Mattson responded to this abuse by setting fires to his school and home. According to records, Mattson was known to rip the heads off his neighbors pigeons and torture other animals as well. After Mattson’s parents divorced in 1959 a psychiatrist determined that Mattson was acting violently because of what he had witnessed at home.

Before the age of 13 Mattson was known as a bully. He began to take drugs and drink a case of beer daily. It is believed that in his childhood he sodomized a 5 year old with a broomstick.

In 1971 Mattson was arrested for kidnapping and robbing 2 people, and for the rape of 1 person. He was sentenced to 2 years in prison.

It is believed that Mattson began his serial series at the age of 24, in 1978. All of his victims were Caucasian women between the ages of 9 and 16 in California. His method of murder was typically strangulation through the use of his hands, clothing and ropes. HIs victims were all raped and abused prior to their murders and were later left in ditches.

On September 21, 1978 Mattson was arrested for the murders of 3 women. He was sentenced to death in California, 1979. He was never executed, but instead died of natural causes in 2009.

Blog Posts

Victims of Michael Dee Mattson

on January 1st, 2010 in Serial Killers, Victimology by | 2 Comments

Michael Dee Mattson was charged with the murders of three people. We currently have information on all of his victims. Cheryl Gutierrez Cheryl, age 9, was murdered on July 14, 1978. Her remains were found on July 15, 1978. Deanna Musquiz Deanna, age 16, was murdered on July 20, 1978….

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