Virginia "Cookie" Stringfellow of Irondequoit says she has had experiences with extraterrestrials spanning over 40 years. One by one, a few dozen members of the New York Chapter of the Mutual U.F.O. Network logged into the organization’s monthly virtual meeting on the third Wednesday in April. It was a proud moment for the group, a nonprofit composed of civilian volunteers who study reported sightings of unidentified flying objects. Two of its members, Virginia Stringfellow, of Irondequoit, who goes by “Cookie,” and Chris DePerno, a retired police detective from Syracuse and the chapter’s assistant director, had been recently featured in