dominica2day: Joint Services should be polygraphed over miners' murder, says Guyanese opposition Joint Services should be polygraphed over miners' murder, says Guyanese opposition ================================================================================ Caribbean Net News on 04 July, 2008 05:00:00 GEORGETOWN, Guyana: The Alliance For Change (AFC), the second largest opposition party in Guyana, is calling on the country’s government to polygraph members of the Joint Services who were in Lindo Creek around the time that the eight miners were killed last month.