Mark DeSimone is a former American politician. He was a member of the Arizona House of Representatives for a single term.[1] He represented the 11th District during the 48th Legislature, winning the November 2006 election.[2]:ix
On the last day of the legislative session in 2008 DeSimone was arrested for spousal abuse. A few days later, he resigned his seat. The civil charges were dropped after counseling. (2008)
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He was unsuccessful in his bid for re-election in 2008.[1]
In June 2019, DeSimone was sentenced to 65 years' imprisonment for the 2016 first-degree murder of his friend, Duilio Antonio "Tony" Rosales, during a vacation in Alaska. In what DeSimone claimed was an accident, Rosales was shot twice in the back of the head.[5]