inadvertently sometimes overhead background and possibly criminal activity, including on at least one occasion, a potential sexual assault. >> alexa, drop in on charlie. >> reporter: amazon tells abc news audio is not stored unless it has been triggered by the wake word, and at that time, the light of the top of the device turns blue. of that audio, "an extremely small number of interactions from a random set of customers" are annotated, they said, and "all information is treated with high confidentiality." and amazon wants to reassure people tonight that employees do not have direct access to information that can identify the person or account, and that users can disable access and delete their voice recordings at any time. david? >> we often ask alexa to find you in the afternoon. thank you, linsey. when we come back here tonight, that moment between brad pitt and the county supervisor, cutting him off. also, that emotional news conference i mentioned, the msu student coming forward today. her allegations against former members of the basketball team. what she says they did to her. and mark and scott kelly, identical twin astronauts.