LINDENHURST - ? A funeral was held today for a Lindenhurst teen killed by an alleged drunken driver. Brittney Walsh, 18, died Sunday night after her car was hit from behind on Montauk Highway in Copiague. Police say the driver, Michael Grasing, had a blood alcohol level nearly four times the legal limit and was driving 80 to 100 mph. Walsh had just graduated from high school last Friday. Wake to be held for teen killed by drunken driver in LindenhurstCops ask for public's help in DWI crash that killed teen