Jeffrey Epstein’s brother, Mark Epstein, recently suggested that federal investigators “covered up” evidence connected to his convicted sex offender brother’s suicide, RadarOnline.com has learned. In a sudden development to come as hundreds of documents connected to Jeffrey Epstein’s sex trafficking operation continue to be unsealed, the late billionaire’s brother spoke out to cast doubt regarding the narrative around Jeffrey Epstein’s August 2019 death. According to Mark Epstein, there was “no investigation” into his pedophile brother’s death once the death was ruled an apparent suicide. Mark…