(HANNIBAL)—Arraignments are scheduled in November for two men accused of killing a convenience store clerk in Hannibal in the early morning of October 8th.  Investigators say 22 year old Gary Wiltermood and 30 year old Michael Studer planned to rob the gas station and that Wiltermood later turned himself in to police and described how Studer shot 61 year old Adrienne Arnett.  Wiltermood and Studer appeared in court for a preliminary hearing Monday morning with their attorneys. Judge John Jackson scheduled arraignment for Studer on November 4th and November 18th for Wiltermood.