following computer cord nates, dr. curry adjusts and aligns his frame.rpenter in a wood shop, begins drilling a tiny hole, the size of a pencil, into mateo's skull. a laser is inserted down to the lesion. but are they in the right place? mateo winds his way back into the mri. >> it's hard to believe that this is brain surgery. >> that's right. >> reporter: in real time, doctors discover they are right on target. the cord connected to the 7-year-old's skull is hooked up to a laser machine. then, fire it up. that orange glow, heat, destroying mateo's lesion. >> we're finished. his epilepsy's gone. it's emotional. i'm choked up. and it's going to be a special molt moment. >> you got it? >> it's done. >> he's okay? >> uh-huh. everything went perfect. >> reporter: a lifetime of misery is just erased in a minute. >> yeah. >> reporter: and dr. curry admits he had help from a friend. >> i think he's how i got there. clearly the force. what a relief. >> cannot even describe how happy i am. >> you're really happy? >> i'm so happy. >> reporter: today, two months la