Austria’s interior minister says that a probe of the computer and social network activities of a man accused of killing an elderly married couple show that he was a radicalized Muslim with links to the Islamic State group. Interior Minister Wolfgang Sobotka says the IS connection came to light after the suspect in last week’s killings said he committed the crime because he believed his victims were supporters of the right wing Freedom Party. The party has gained in popularity through a strong anti-migrant and anti-Muslim message. Sobotka declined to give details late Wednesday pending continued investigations. Neither the 54-year old Tunisian suspect nor the 85- and 87-year-old victims have been identified, in keeping with Austrian privacy laws.