and i see her in the -- driver's >> you can an individual come seat. from the southwest side of the and -- i said, "what's wrong?" parking lot -- he stuck the gun he goes, "i think she's been in josh's face -- >> shows a pistol. shot." >> reporter: nothing can prepare >> he ended up falling down. you for that, huh? being knocked down. >> reporter: the tipster claimed >> no. that josh wasn't the victim of she was dead. the robbery but actually one of that's what he told me. the participants. and, that his pal sirius had >> reporter: he told you that at been the mastermind not only of the scene? >> yeah, and "stay away. the department store job, but you don't wanna contaminate the -- crime scene." the prime mover in a crime >> reporter: no bridge ahead. wave -- responsible for multiple armed robberies -- most of them captured on surveillance video. the two bodybuilders' secret into the abyss. sideline was a head-snapping >> blew me outta the water. revelation. >> reporter: brandy's mom was just leaving the bottle factory where she worked. >> sirius underwood at night is over here robbin' drug dealers, >> 11:05, i got a phone call. and i went runnin' out to the or he's robbin' tumbleweed restaurants, or they're hittin', you know, gabrielle brothers. truck. tess said, "somethin' is wrong with brandy. but during the day, he's the sweetest guy, loves the women, they love him. he'll train with you. we get home. poster boy, just an all-around >> reporter: see emergency great american. vehicles, officers. >> we go right off into the >> reporter: the cops believed driveway. and that's as far as i could go. >> reporter: the car with the that linking sirius and his partner in crime josh daniels to driver side window down, the the violent robberies would help vehicle stalled in first gear, and brandy inside looking rag nail the two for brandy daniels' doll, shot three times execution murder. style. >> we're on the right track for the robberies. we're gonna go try to confront josh. the detectives were arriving.