On 24th of November 1973, Mark got married to Barbara L. Koop in a beautiful wedding ceremony. As a married couple, they remained in this bonding for about four years and then they finally dissolved their married life in 1977.
A few months later, Mark was found dating Janet Ellen Sosbee and after having a romantic love affair and relationship, they eventually got married on 17th of December 1977. Like the previous one, this married life also lasted only for about three years and they got divorced on 24th of December 1980.
After spending a single life for few years, Mark finally got married to Caroline Lody. They got married in the early 1980s. As a married couple, they also became parents twice. In 2000, news about their separation became aired and they got divorced that year.
Mark who was born as raised in Washington received his formal education from Peninsula High School. In his late teens, he got enrolled in the United States Marine Corps where he received the training of machine gunner and military policeman. After serving in the US Marine Corps, he got an honorable discharge in 1975.
In 1989, he was promoted to the post of detective and he also earned more than 55 commendations during his 20 years service in the police officer. He announced his retirement in 1995. He was once blamed of felony perjury conviction, as a result, he was banned from serving for several months. His net worth is said to be around $ 1 million with a massive salary.