Richard Mantha, 62, is sentenced to 12 years in prison for sexually assaulting three women near CalgaryCrimeSep 17 at 10:08 AM – Sep 17 at 3:23 PM3 outletsCanadaCTV NewsCalgary rapist Richard Mantha sentenced to 12 years seen Sep 17 at 2:04 PMBREAKING NEWS: Calgary rapist sentenced to 12 years seen Sep 17 at 12:29 PMCalgary serial rapist to be sentenced seen Sep 17 at 10:08 AMGlobal NewsMan sentenced to 12 years for Alberta sex attacks Sep 17 at 2:19 PMCalgary HeraldSerial rapist Richard Mantha sentenced to 12 years for sexually assaulting three women Sep 17 at 3:23 PM