An Irondequoit man is accused of sexually abusing a nine-year-old girl. Investigators said Richard Maus, 46, also abused a 16-year-old girl three years ago. Maus is charged with sex abuse in the first degree, sex abuse in the third degree and two counts of endangering the welfare of a child. The Irondequoit Police Department is asking anyone who may have additional information about these crimes to call 911.