Riverside County has received new funding to continue its long-running efforts to prosecute DUI cases — a grant officials say has been critical in securing convictions for more than a decade. The announcement comes just days after a man was charged with murder for the DUI crash that killed 14-year-old Liam Cantu.Experts, however, warn that California’s overall DUI laws may be too weak to prevent tragedies like this from happening.For 14 years, Riverside County has relied on this specialized DUI prosecution grant to hold impaired drivers accountable and ensure consistency and transparency in the legal process. The nearly $1 million grant awarded to the Riverside County District Attorney’s Office supports a vertical prosecution team of four deputy district attorneys dedicated solely to handling driving-under-the-influence-of-drugs cases. This team oversees each case from the initial arrest through final prosecution.County officials report that since the Office of Traffic Safety…..