Mark Hatcher, 60, of the 800 block of Village Circle Drive in the Blue Bell section of Whitpain, was convicted in Montgomery County Court on Wednesday of 10 charges, including rape, statutory sexual assault, sexual assault and indecent assault of a child in connection with assaults of a boy and two girls between the ages of 6 and 15 in Whitpain and Philadelphia between 2000 and 2008.