https://techcrunch.com/2018/11/14/amazon-echo-recordings-judge-murder-case/

http://www.americancriminallawreview.com/files/5114/9515/4188/ALEXA_AND_THIRD_PARTIES_REASONABLE_EXPECTATION_OF_PRIVACY_FINAL.pdf

A bit of a gray area regarding "reasonable expectations of privacy" and "voluntarily disclosed to third parties" but a very arguable point.

https://en.wikipedia.org/wiki/Third-party_doctrine

__________________
“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now