The Glen Cove man accused of slaughtering his neighbor was back in court Wednesday as prosecutors requested samples of his DNA.Evan Marshall, 31, is accused of dismembering 57-year-old retired teacher Denise Fox earlier this month. Prosecutors say the DNA samples could help them place Marshall at the scene of several unsolved brutal murders, including two in Manorville. The defense attorney, however, asked for another day to respond to the prosecutor's request and the judge agreed.Prosecutors are hoping the DNA request will be granting so the case can be moved toward a grand jury.Related Information Co-workers of Glen Cove murder suspect shocked at grisly crime