larry c abballa was killed in the -- larossi abballa was killed in the shootout with police. he was known to authorities and under surveillance at the time of the attack. mark thompson has this report. mark a face known to french authorities. was releasedlla from prison last year after serving three have in your sentence for conspiracy to can -- commit acts of terrorism. he was also the subject of another similar investigation in january. a quantity monday evening, he arrived at the home of the chief of police in the outskirts of paris and stabbed the opposite and his wife to death and took their three-year-old son hostage. the young child survived the attack. abballa told authorities he was loyal to the islamic state group. >> he said he was responding to a communiquÉ from the islamic state group leader that demanded the killing of nonbelievers where they lived with family. the attacker was killed by security services during the midnight raid. the officer has been identified. the french interior minister in expressed his condolences. anyones proof that doubting the risks fac