Flynn spying started in February 2016 during the campaign when Flynn and Guiliani started "advising" Trump?

Reuters was the first mention on this but scrubbed the page: https://www.reuters.com/article/us-usa-election-trump-advisor-idUSMTZSAPEC2Q6G3JRH

Wayback Machine from 2/27/16 had the original:

https://web.archive.org/web/20160227001523/https://www.reuters.com/article/us-usa-election-trump-advisor-idUSMTZSAPEC2Q6G3JRH