ASuffolk jury was sent home for the weekend Friday after failing to reach a verdict in the case of two men charged in a quadruple murder in Mattapan. Dwayne Moore, 34, and Edward Washington, 32, are charged with four counts of first-degree murder in the Sept. 28, 2010, Woolson Street slayings of Simba Martin, his girlfriend Eyanna Flonory, her 2-year-old son Amanihotep Smith, and Levaughn Washum-Garrison, who was sleeping on Martin’s couch the night of the killings. Moore and Washington are accused of robbing Martin at his home and then killiing him and the three others. Another man, Marcus Hurd, was shot in the head that night. He survived butis paralyzed. The jury is expected to resume deliberations Monday morning.