. >>> it was just over a year ago that natascha pettigrew was killed riding her bike. her mother never gave up the fight to bring that driver to justice and now has helped to change the law all across maryland. darcy has more on that. darcy? >>> we've learned that driver is facing serious charges. as you mentioned, the victim's mother has made it her mission to toughen maryland laws in her daughter's memory. 30-year-old natascha pettigrew was struck and killed while riding her bike in route 202 in larg one year ago. the bike later found still attached to thes can laid th-- escalade and fled the scene. >> i lost my daughter, the love of my life, and my best friend. >> maryland's vehicular manslaughter laws were too lenient. oftentimes when pedestrians and bike riders were hit and killed, the driver would end up with a minor charge. >> there was a big and glaring loophole in the law that allowed people to kill someone on the highways and get away. >> thanks to henry's lobbying efforts, lawmakers created a misdemeanor often, manslaughter by criminal negligence, punishable