reporting live on bethel island, noelle walker, ktvu channel 2 news. >>> law enforcement and educatorsill meet to discuss safety on the sacramento river after the death of a lafayette man and college student. 20-year-old brett olson disappeared while tubing near chico over the labor day weekend. it's believed he drowned but autopsy results still have not been released. today the sheriff told ktvu he is planning a meeting with other law enforcement officers and the president of chico state. they will discuss underage drinking and other issues at the popular summertime area. >>> the chp is holding safety events throughout california. the chp today demonstrated the proper way to install a child safety seat and perform safety inspections. officers say it is an opportunity to make sure parents are aware of the current law. for example, as of july 1, children must remain in a car seat or booster until he or she is eight years old or 4 feet 9 inches tall. a new ser vai by the national highway administration has found five common mistakes. the car seat is too loose, the harness is too loose, o