EDWARDSVILLE, Ill. (KTVI) – A Madison County judge has sentenced an Alton man to 18 years in prison for sexual assault upon his step daughter. David Armstrong, 34, was sentenced on the charge of predatory criminal sexual assault in open court. His wife and mother of the child, was sentenced last week to 20 years in prison on the same charge.
Both have been in custody at the Madison County jail since being charged July 11, 2012.
Armstrong will have serve 85 percent of his sentence before being considered for parole.