Man Accused Of Sexually Assaulting, Murdering His Grandmother At Dallas Home

DALLAS (CBSDFW.COM) – A man charged with capital murder is accused of sexually assaulting his grandmother and then beating her to death with a fire extinguisher at a home in Dallas, according to an arrest affidavit.
Police arrested Michael Robinson, 32, after officers responded to a home on Terry Street Saturday morning and found the victim, 71-year-old Irish Harrison, dead in her bedroom.
According to the affidavit, Robinson went to the home to visit his grandmother when he allegedly bega