Maplewood, MN (MinnesotaNow) - A Twin Cities woman has been charged with first-degree attempted murder of a police officer. The court document says the attack on the officer occurred outside a CVS store in Maplewood around 11:45 a.m. Tuesday. Allegedly Attacked Officer With KnifeWhen the officer arrived, he reported that he approached a woman matching the description of the suspect. Get our free mobile appThe witness who assisted the officer was identified in the court document as the woman's adult son. The criminal complaint states that he told investigators that his mother has experienced mental health issues for many years but refuses to seek treatment.