He then moved to Trinidad and Tobago where he grew up to work as a teacher, customs clerk and insurance underwriter.
In 1980 he went to join his father, who had become a doctor in Houston, Texas and began studying medicine to follow in his footsteps.
He completed an undergraduate degree at Texas Southern University in Houston, and then went on to Meharry Medical College in Nashville, Tennessee.
Murray went on to train in cardiology at the universities of Arizona and San Diego, during which time he failed to pay his tax.
In the late 1990s he fathered a child with a married nurse who worked at the same San Diego hospital and he subsequently faced child maintenance demands.
He then moved to Las Vegas and in 2000 founded Global Cardiovascular Associates, opening a second clinic in a poor area of Houston where he helped patients with little money.
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