. >> vincent del judas has known his cell mate, john martinez, since childhood. >> we grew up from sincee high, went to elementary together, juvenile hall together. now we're here. we know it's kind of crazy, because we're going to see each other in the pen. >> they grew up in a part of oakland known as murder dubs, because of its history of drug trafficking and gang violence. martinez is accused of murder and four counts of attempted murder, to which he's pled not guilty. in an unrelated case, del judas is also charged with four counts of attempted murder. he too has pled not guilty. >> right now i've been down for two and a half years. but i'm not taking no double digit, you know. i'm trying to get them down to the lowest number they can. if it's possible. but if not, i'll go to try. to me, it's nothing. >> though both men say they are innocent of their latest charges, they admit that crime has long been a part of their lives. >> i was running the street at 7 years old, breaking into the cars, already doing hell of [ bleep ] and drinking and smoking. >> we were on the streets all the t