last august, the knox county sheriff's office adder three -- arrested three individuals. what law enforcement tells me about methamphetamine is that it's causing a new spate of crimes, somewhat closer to the cocaine crimes committed in the 1990's. heroin is a drug that does not create the same stimulant effect. it's not a psychosim lant so the -- stimulant, so the crimes are primarily to pay for the crimes. when the meth crimes are often crimes of violence because it is a stimulant like cocaine. so these law enforcement tell me they are very concerned. their jails are being crowded now with meth users who are there for serious crimes. their big issue that they are look being at is how do you get people through successful recovery? here's the other bad news. we don't know much about how to help people with recovery are methamphetamine. with opioids there are medicated assisted treatment and in general recovery practices that work for opioids can work for meth, taking people through a therapy process, but there is not the drugs to be able to help you through it as there is

. >> reporter: so the knox county sheriff's department pays him a visit. >> he didn't say a whole lotust kind of in a daze a little bit and sad over his girlfriend losing his life. >> reporter: riley takes to social media to publically mourn his lost love. "rest easy now, sweetheart. i love you forever and always." >> what stood out to me from these tweets immediately was the repetitive nature of him saying, "i love you. i love you. i love you." if you just saw that, if you you would think that this was an ex-boyfriend who just lost his first love. >> reporter: emma's friends are devastated. >> i was confused. all i knew is she was dead and there was nothing i could do. >> it didn't register in my mind. no one would expect our emma to be>> rter: a town in mourning, honoring emma with a candlelight vigil. >> students will be gathering at central high school tonight to remember the life of a classmate who recently died. >> reporter: her fellow cheerleaders releasing balloons in her memory during the next football game. >> big round of applause for emma walker, ladies and gentlemen. >> r

. >>> and contra costa county, there are plans to reactivate a long dormant rail line. someone will start rolling transfer the miller knox regional shoreline park in richmond. jackie what is live in richmond with more on today's vote. >> we are right in the middle of the park on brickyard cove road. the rail line is actually tucked away inside the park, the grassy area and it has been dormant for years. if you are familiar with this area, we talk about the area that is, it goes out to ferry point and it is just beyond the tunnel. people walk right on it because they know there is no chance of a train coming down it since it has been inactive for years. if the bnsf rail company gets its way some of that could change. it wants to reactivate the rail line. and there are actually two separate votes happening today before that could potentially happen. the first one will be happening at the county level, secondly happening here in richmond at the city level. richmond mayor says he is very much against reactivating the line. >> the regional park district says they bought the right-of- way several years ago, and the only reserv

. >>> tomorrow, the contra costa county board of supervisors will discuss whether to impose plans by the railway to reactivate a rail line through the miller knox regional shoreline park in richmond. the rail line goes from richmond rail yard through the richmond business district out to the shoreline. the state regional park district does not support reactivation of the rail line. the supervisors will meet at 9:30 tomorrow morning. >>> the stanford blood center is asking the public for blood donations. anyone with 0 positive blood. officials say supplies are critically low and the blood center says it needs donations to meet the demand from hospitals. donors are encouraged to walk in to one of the blood centers in campbell, menlo park, and mountain view. >> a big surprise for the graduating class in atlanta. the commencement speaker who is a billionaire with ties to the pay area says he will pay off their student loans valued at some $40 million. reporter, will nunley has the details and tells us how the class of 2019 reacted. >> put yourself in the shoes of a morehouse student. working for years to get to this moment. now imagine the feeling