Paul Martinez, 48, longtime gang member and father of accused murderer Ruben Mize, was sentenced last month to four years and eight months for possession of a controlled substance. He was admitted to Wasco State Prison on 12/4, according to state records. Martinez, whose son has already racked up sentences totaling at least 34 years behind bars and still has a murder charge pending, has been in and out of prison for decades, mostly on drug and gang-related charges.