volunteers searched the river and surrounding areas for possible clues. >>> nick howard's car was found submerged in the sacramento river, but there was no sign of his body. inside nick's car, investigators found evidence the crash may not have been an accident. >> this car was a manual speed transmission car. it was found in the neutral position. >> in the car's engine, investigators found even more proof. >> we examined the carburetor. i found an oil bottle cap holding the throttle open, which was remarkable by its uniqueness. never seen it before or have never seen it since. >> the cap was marked with a "v". it was the top to the valvoline motor oil bottle in the trunk. >> the bottle cap was a big indicator right off the bat, the car had been rigged. something wasn't right. >> the bottle cap would be put in there in lieu of a person to hold the gas pedal in position so the vehicle could be operated without a driver. >> to see what effect the bottle cap would have on nick's car, investigators put an identical cap in the carburetor of another car. for safety purposes, a test driver sat

. >>> nick howard was just 18 years old, fresh out of high school and working in his father's car repair business. he was trying to decide what to

nick: oh, one of them. you have to touch it to the top of the hill and it has to fall over the weight of the golf ball. that is 1.62 ounces. jim: dwight howard about victor, david? nick: a little over 190 yards. steven is. a tiny draw. just the same as the 17th hole. same shot. same swing. ouch. nick: that's it. jim: what a time for a tug. nick: did it make the sand? nick: that is half a chance. lim chances now. what am i saying? jason is the back. he could easily make a five. jim: that front hole location, avid, it is very narrow. just the slightest pull that we saw there. there are consequences. but as you said that is no guarantee that there is a four coming from jason. nick: no. jim: that is as far as a doable up ask down as the sand right here. i think that is a high percentage. nick: yeah. he has enough room to work with. it will be a nasty slicing bunker shot and it will feed to the right. >> he can use the contours to feed the ball back to the hole. jason, contours are not going to e friendly to him. nick: shot link says he nearly has a 70-footer. jim: one of those match play situations. nick: that helps. if victor hit his bunker sho

. >> nick rich and reporter peggy sinkovich cover the trumbull county court. they arrive early for the hearing, hoping to talk to jason howard. >> he was here in warren, ohio, on a murder charge, but police in columbus were also looking at him on a murder charge there with his girlfriend and children, who are from this area. so it was a pretty big case. >> sinkovich interviews the suspect who says he's incident in the murder of jameila west and her children. >> i was a protector and provider for my family, but i wasn't there to protect them and die with them. and i wish i was. to be honest with you, i would rather be dead right now. >> we finished the interview. nick turns his camera off, and i'm real happy, texting my news director, saying i got a good story. and two seconds later, those doors come open and a huge brawl breaks out. >> jamiela west's brother, louis, reaches across the divider and punches howard brutally. handcuffed and chained around the waist, he's completely vulnerable and can't defend himself. >> i grabbed the chains that he had and pulled him back. >> the deputy slams lewis west against the wall, trying