A SARASOTA MAN WHO WORKS AS A YACHT CAPTAIN WAS ARRESTED BY FEDERAL OFFICIALS WHO SAID HE POSSESSED CHILD PORNOGRAPHY AND WAS TRANSFERRING IT ON HIS COMPUTER.  52 YEAR OLD MARK BROWN WAS ARRESTED LAST THURSDAY ON THE BOAT HE WORKS ON WHICH IS MOORED IN THE SARASOTA MARINA AFTER TELLING OFFICIALS HE HAD MORE THAN TEN MILLION FILES OF CHILD PORN PHOTOS AND VIDEOS ON HIS COMPUTER.  THE REPORT ALSO SAID THAT BROWN CHATTED ONLINE WITH UNDERCOVER FBI AGENTS AND ADMITTED TO HAVING SEXUAL FANTASIES INVOLVING CHILDREN, AND HE EXPRESSED AN INTEREST IN MEETING A CHILD THAT THE AGENTS SAID WOULD BE AVAILABLE FOR SEX.  AGENTS CAUGHT HIM IN THE ACT OF DOWNLOADING AND DISTRIBUTING THE PORN, AND HE WAS CHARGED WITH POSSESSION, TRANSPORTATION, OR ATTEMPTING TO RECEIVE CHILD PORNOGRAPHY.  HE IS BEING HELD WITHOUT BOND, AND THE FBI IS ASKING ANYONE WITH INFORMATION ABOUT THE CASE TO CONTACT THE TAMPA OFFICE AT 813-253-1000.