A state appeals court upheld the 90-day sentence and DUI conviction of a former FBI agent involved in a wrong-way crash that left two brothers dead. David Farrall, then still an agent, was driving drunk on Interstate 95 in November 1999 when he smashed head-on into Lauderhill brothers Maurice Williams, 23, and Craig Chambers, 19. Florence Thompson, the victims' mother, said Wednesday's ruling from the 4th District Court of Appeal came as welcome news but also as a painful reminder of loss and what she sees as injustice. "They found him guilty of drunk driving. ... He's guilty of manslaughter,"...