James Brown might have been murdered ... so claims a woman who knew Brown, and just handed prosecutors stacks of what she believes is possible evidence of foul play. A Fulton County D.A. spokesperson confirms Jacque Hollander met with Fulton County District Attorney Paul Howard on Wednesday and gave him a bin full of items. Howard now says he's directing his investigators to interview Hollander ... and if evidence she presented to the D.A.'s Office holds up, Howard says he's open to launching a full-scale death investigation.