Family of Craigslist founder Michael Brisman says family ' died ' by loss . Philip Markoff , 23 , suspects in Brisman 's death . Police say Markoff met Brisman on popular online classifieds Web site . Megan McAllister , who identified herself as Markoff 's fiancee , maintained his innocence in an e-mail sent to ABC News . Markoff 's family , fiance claim his innocence of charges .
Family of Craigslist founder Michael Brisman says family ' died ' by loss . Philip Markoff , 23 , suspects in Brisman 's death . Police say Markoff met Brisman on popular online classifieds Web site . Markoff 's family , fiance claim his innocence of charges .